author | hgs |
Wed, 24 Mar 2010 18:04:17 -0500 | |
changeset 16 | 8e837d1bf446 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* |
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* Image Scaling Functions |
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* Copyright (c) 2005 David A. Schleef <ds@schleef.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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#include "vs_scanline.h" |
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#include <liboil/liboil.h> |
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/* greyscale, i.e., single componenet */ |
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#ifdef __SYMBIAN32__ |
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#include <liboil/globals.h> |
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#endif |
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#include <glib.h> |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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void |
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vs_scanline_downsample_Y (uint8_t * dest, uint8_t * src, int n) |
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{ |
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int i; |
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for (i = 0; i < n; i++) { |
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dest[i] = (src[i * 2] + src[i * 2 + 1]) / 2; |
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} |
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} |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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void |
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vs_scanline_resample_nearest_Y (uint8_t * dest, uint8_t * src, int src_width, |
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int n, int *accumulator, int increment) |
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{ |
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int acc = *accumulator; |
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int i; |
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int j; |
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int x; |
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for (i = 0; i < n; i++) { |
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j = acc >> 16; |
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x = acc & 0xffff; |
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dest[i] = (x < 32768 || j + 1 >= src_width) ? src[j] : src[j + 1]; |
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acc += increment; |
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} |
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*accumulator = acc; |
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} |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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void |
16 | 80 |
vs_scanline_resample_linear_Y (uint8_t * dest, uint8_t * src, int src_width, |
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int n, int *accumulator, int increment) |
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{ |
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int acc = *accumulator; |
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int i; |
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int j; |
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int x; |
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for (i = 0; i < n; i++) { |
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j = acc >> 16; |
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x = acc & 0xffff; |
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16 | 92 |
if (j + 1 < src_width) |
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dest[i] = (src[j] * (65536 - x) + src[j + 1] * x) >> 16; |
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else |
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dest[i] = src[j]; |
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acc += increment; |
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} |
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||
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*accumulator = acc; |
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} |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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void |
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vs_scanline_merge_linear_Y (uint8_t * dest, uint8_t * src1, uint8_t * src2, |
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int n, int x) |
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{ |
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uint32_t value = x >> 8; |
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oil_merge_linear_u8 (dest, src1, src2, &value, n); |
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} |
16 | 115 |
#ifdef __SYMBIAN32__ |
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EXPORT_C |
|
117 |
#endif |
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16 | 119 |
void |
120 |
vs_scanline_downsample_Y16 (uint8_t * dest, uint8_t * src, int n) |
|
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{ |
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int i; |
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uint16_t *d = (uint16_t *) dest, *s = (uint16_t *) src; |
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||
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for (i = 0; i < n; i++) { |
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d[i] = (s[i * 2] + s[i * 2 + 1]) / 2; |
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} |
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} |
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#ifdef __SYMBIAN32__ |
|
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EXPORT_C |
|
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#endif |
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||
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void |
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vs_scanline_resample_nearest_Y16 (uint8_t * dest, uint8_t * src, int src_width, |
|
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int n, int *accumulator, int increment) |
|
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{ |
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int acc = *accumulator; |
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int i; |
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int j; |
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int x; |
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uint16_t *d = (uint16_t *) dest, *s = (uint16_t *) src; |
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||
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for (i = 0; i < n; i++) { |
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j = acc >> 16; |
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x = acc & 0xffff; |
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d[i] = (x < 32768 || j + 1 >= src_width) ? s[j] : s[j + 1]; |
|
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||
148 |
acc += increment; |
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} |
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||
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*accumulator = acc; |
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} |
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||
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#include <glib.h> |
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||
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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||
160 |
void |
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vs_scanline_resample_linear_Y16 (uint8_t * dest, uint8_t * src, int src_width, |
|
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int n, int *accumulator, int increment) |
|
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{ |
|
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int acc = *accumulator; |
|
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int i; |
|
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int j; |
|
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int x; |
|
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uint16_t *d = (uint16_t *) dest, *s = (uint16_t *) src; |
|
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||
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for (i = 0; i < n; i++) { |
|
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j = acc >> 16; |
|
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x = acc & 0xffff; |
|
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||
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if (j + 1 < src_width) |
|
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d[i] = (s[j] * (65536 - x) + s[j + 1] * x) >> 16; |
|
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else |
|
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d[i] = s[j]; |
|
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||
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acc += increment; |
|
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} |
|
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||
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*accumulator = acc; |
|
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} |
|
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#ifdef __SYMBIAN32__ |
|
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EXPORT_C |
|
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#endif |
|
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||
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void |
|
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vs_scanline_merge_linear_Y16 (uint8_t * dest, uint8_t * src1, uint8_t * src2, |
|
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int n, int x) |
|
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{ |
|
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int i; |
|
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uint16_t *d = (uint16_t *) dest, *s1 = (uint16_t *) src1, *s2 = |
|
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(uint16_t *) src2; |
|
195 |
||
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for (i = 0; i < n; i++) { |
|
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d[i] = (s1[i] * (65536 - x) + s2[i] * x) >> 16; |
|
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} |
|
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} |
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|
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/* RGBA */ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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|
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void |
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vs_scanline_downsample_RGBA (uint8_t * dest, uint8_t * src, int n) |
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{ |
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int i; |
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|
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for (i = 0; i < n; i++) { |
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dest[i * 4 + 0] = (src[i * 8 + 0] + src[i * 8 + 4]) / 2; |
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dest[i * 4 + 1] = (src[i * 8 + 1] + src[i * 8 + 5]) / 2; |
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dest[i * 4 + 2] = (src[i * 8 + 2] + src[i * 8 + 6]) / 2; |
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dest[i * 4 + 3] = (src[i * 8 + 3] + src[i * 8 + 7]) / 2; |
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} |
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} |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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|
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void |
16 | 225 |
vs_scanline_resample_nearest_RGBA (uint8_t * dest, uint8_t * src, int src_width, |
226 |
int n, int *accumulator, int increment) |
|
0
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{ |
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int acc = *accumulator; |
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int i; |
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int j; |
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int x; |
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|
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for (i = 0; i < n; i++) { |
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j = acc >> 16; |
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x = acc & 0xffff; |
16 | 236 |
|
237 |
if (j + 1 < src_width) { |
|
238 |
dest[i * 4 + 0] = (x < 32768) ? src[j * 4 + 0] : src[j * 4 + 4]; |
|
239 |
dest[i * 4 + 1] = (x < 32768) ? src[j * 4 + 1] : src[j * 4 + 5]; |
|
240 |
dest[i * 4 + 2] = (x < 32768) ? src[j * 4 + 2] : src[j * 4 + 6]; |
|
241 |
dest[i * 4 + 3] = (x < 32768) ? src[j * 4 + 3] : src[j * 4 + 7]; |
|
242 |
} else { |
|
243 |
dest[i * 4 + 0] = src[j * 4 + 0]; |
|
244 |
dest[i * 4 + 1] = src[j * 4 + 1]; |
|
245 |
dest[i * 4 + 2] = src[j * 4 + 2]; |
|
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dest[i * 4 + 3] = src[j * 4 + 3]; |
|
247 |
} |
|
0
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|
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acc += increment; |
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} |
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|
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*accumulator = acc; |
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} |
16 | 254 |
|
255 |
#include <stdio.h> |
|
0
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#ifdef __SYMBIAN32__ |
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257 |
EXPORT_C |
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#endif |
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|
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void |
16 | 261 |
vs_scanline_resample_linear_RGBA (uint8_t * dest, uint8_t * src, int src_width, |
262 |
int n, int *accumulator, int increment) |
|
0
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{ |
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uint32_t vals[2]; |
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|
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vals[0] = *accumulator; |
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vals[1] = increment; |
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|
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|
16 | 269 |
if (src_width % 2 == 0) { |
270 |
oil_resample_linear_argb ((uint32_t *) dest, (uint32_t *) src, n, vals); |
|
271 |
} else if (src_width > 1) { |
|
272 |
if (n > 1) |
|
273 |
oil_resample_linear_argb ((uint32_t *) dest, (uint32_t *) src, n - 1, |
|
274 |
vals); |
|
275 |
dest[4 * (n - 1) + 0] = src[(vals[0] >> 16) + 0]; |
|
276 |
dest[4 * (n - 1) + 1] = src[(vals[0] >> 16) + 1]; |
|
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dest[4 * (n - 1) + 2] = src[(vals[0] >> 16) + 2]; |
|
278 |
dest[4 * (n - 1) + 3] = src[(vals[0] >> 16) + 3]; |
|
279 |
vals[0] += increment; |
|
280 |
} else { |
|
281 |
int i; |
|
282 |
||
283 |
for (i = 0; i < n; i++) { |
|
284 |
dest[4 * i + 0] = src[0]; |
|
285 |
dest[4 * i + 1] = src[1]; |
|
286 |
dest[4 * i + 2] = src[2]; |
|
287 |
dest[4 * i + 3] = src[3]; |
|
288 |
vals[0] += increment; |
|
289 |
} |
|
290 |
} |
|
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|
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*accumulator = vals[0]; |
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} |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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|
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void |
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vs_scanline_merge_linear_RGBA (uint8_t * dest, uint8_t * src1, uint8_t * src2, |
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int n, int x) |
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{ |
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uint32_t value = x >> 8; |
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|
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oil_merge_linear_argb ((uint32_t *) dest, (uint32_t *) src1, |
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(uint32_t *) src2, &value, n); |
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} |
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|
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|
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/* RGB */ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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|
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void |
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vs_scanline_downsample_RGB (uint8_t * dest, uint8_t * src, int n) |
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{ |
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int i; |
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|
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for (i = 0; i < n; i++) { |
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dest[i * 3 + 0] = (src[i * 6 + 0] + src[i * 6 + 3]) / 2; |
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dest[i * 3 + 1] = (src[i * 6 + 1] + src[i * 6 + 4]) / 2; |
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|
324 |
dest[i * 3 + 2] = (src[i * 6 + 2] + src[i * 6 + 5]) / 2; |
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|
325 |
} |
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|
326 |
} |
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|
327 |
#ifdef __SYMBIAN32__ |
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|
328 |
EXPORT_C |
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|
329 |
#endif |
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|
330 |
|
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|
331 |
|
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|
332 |
void |
16 | 333 |
vs_scanline_resample_nearest_RGB (uint8_t * dest, uint8_t * src, int src_width, |
334 |
int n, int *accumulator, int increment) |
|
0
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|
335 |
{ |
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|
336 |
int acc = *accumulator; |
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|
337 |
int i; |
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|
338 |
int j; |
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|
339 |
int x; |
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|
340 |
|
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|
341 |
for (i = 0; i < n; i++) { |
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|
342 |
j = acc >> 16; |
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|
343 |
x = acc & 0xffff; |
16 | 344 |
dest[i * 3 + 0] = (x < 32768 |
345 |
|| j + 1 >= src_width) ? src[j * 3 + 0] : src[j * 3 + 3]; |
|
346 |
dest[i * 3 + 1] = (x < 32768 |
|
347 |
|| j + 1 >= src_width) ? src[j * 3 + 1] : src[j * 3 + 4]; |
|
348 |
dest[i * 3 + 2] = (x < 32768 |
|
349 |
|| j + 1 >= src_width) ? src[j * 3 + 2] : src[j * 3 + 5]; |
|
0
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|
350 |
|
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|
351 |
acc += increment; |
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|
352 |
} |
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|
353 |
|
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|
354 |
*accumulator = acc; |
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|
355 |
} |
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|
356 |
#ifdef __SYMBIAN32__ |
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|
357 |
EXPORT_C |
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|
358 |
#endif |
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|
359 |
|
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|
360 |
|
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|
361 |
void |
16 | 362 |
vs_scanline_resample_linear_RGB (uint8_t * dest, uint8_t * src, int src_width, |
363 |
int n, int *accumulator, int increment) |
|
0
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|
364 |
{ |
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|
365 |
int acc = *accumulator; |
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|
366 |
int i; |
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|
367 |
int j; |
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|
368 |
int x; |
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|
369 |
|
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|
370 |
for (i = 0; i < n; i++) { |
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|
371 |
j = acc >> 16; |
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|
372 |
x = acc & 0xffff; |
16 | 373 |
|
374 |
if (j + 1 < src_width) { |
|
375 |
dest[i * 3 + 0] = |
|
376 |
(src[j * 3 + 0] * (65536 - x) + src[j * 3 + 3] * x) >> 16; |
|
377 |
dest[i * 3 + 1] = |
|
378 |
(src[j * 3 + 1] * (65536 - x) + src[j * 3 + 4] * x) >> 16; |
|
379 |
dest[i * 3 + 2] = |
|
380 |
(src[j * 3 + 2] * (65536 - x) + src[j * 3 + 5] * x) >> 16; |
|
381 |
} else { |
|
382 |
dest[i * 3 + 0] = src[j * 3 + 0]; |
|
383 |
dest[i * 3 + 1] = src[j * 3 + 1]; |
|
384 |
dest[i * 3 + 2] = src[j * 3 + 2]; |
|
385 |
} |
|
0
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|
386 |
|
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|
387 |
acc += increment; |
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|
388 |
} |
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|
389 |
|
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|
390 |
*accumulator = acc; |
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|
391 |
} |
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|
392 |
#ifdef __SYMBIAN32__ |
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|
393 |
EXPORT_C |
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|
394 |
#endif |
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|
395 |
|
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|
396 |
|
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|
397 |
void |
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|
398 |
vs_scanline_merge_linear_RGB (uint8_t * dest, uint8_t * src1, uint8_t * src2, |
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|
399 |
int n, int x) |
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|
400 |
{ |
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changeset
|
401 |
uint32_t value = x >> 8; |
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changeset
|
402 |
|
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changeset
|
403 |
oil_merge_linear_u8 (dest, src1, src2, &value, n * 3); |
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|
404 |
} |
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changeset
|
405 |
|
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|
406 |
|
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|
407 |
/* YUYV */ |
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changeset
|
408 |
|
16 | 409 |
/* n is the number of pixels */ |
0
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|
410 |
/* increment is per Y pixel */ |
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|
411 |
#ifdef __SYMBIAN32__ |
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|
412 |
EXPORT_C |
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changeset
|
413 |
#endif |
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|
414 |
|
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changeset
|
415 |
|
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|
416 |
void |
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changeset
|
417 |
vs_scanline_downsample_YUYV (uint8_t * dest, uint8_t * src, int n) |
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|
418 |
{ |
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|
419 |
int i; |
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diff
changeset
|
420 |
|
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Revision: 200949
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changeset
|
421 |
for (i = 0; i < n; i++) { |
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diff
changeset
|
422 |
dest[i * 4 + 0] = (src[i * 8 + 0] + src[i * 8 + 2]) / 2; |
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changeset
|
423 |
dest[i * 4 + 1] = (src[i * 8 + 1] + src[i * 8 + 5]) / 2; |
0e761a78d257
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diff
changeset
|
424 |
dest[i * 4 + 2] = (src[i * 8 + 4] + src[i * 8 + 6]) / 2; |
0e761a78d257
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diff
changeset
|
425 |
dest[i * 4 + 3] = (src[i * 8 + 3] + src[i * 8 + 7]) / 2; |
0e761a78d257
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changeset
|
426 |
} |
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Revision: 200949
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changeset
|
427 |
} |
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diff
changeset
|
428 |
#ifdef __SYMBIAN32__ |
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diff
changeset
|
429 |
EXPORT_C |
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changeset
|
430 |
#endif |
0e761a78d257
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diff
changeset
|
431 |
|
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Revision: 200949
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diff
changeset
|
432 |
|
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Revision: 200949
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parents:
diff
changeset
|
433 |
void |
16 | 434 |
vs_scanline_resample_nearest_YUYV (uint8_t * dest, uint8_t * src, int src_width, |
435 |
int n, int *accumulator, int increment) |
|
0
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changeset
|
436 |
{ |
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Revision: 200949
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diff
changeset
|
437 |
int acc = *accumulator; |
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Revision: 200949
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changeset
|
438 |
int i; |
0e761a78d257
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changeset
|
439 |
int j; |
0e761a78d257
Revision: 200949
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diff
changeset
|
440 |
int x; |
16 | 441 |
int quads = (n + 1) / 2; |
0
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diff
changeset
|
442 |
|
16 | 443 |
for (i = 0; i < quads; i++) { |
0
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Revision: 200949
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diff
changeset
|
444 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
445 |
x = acc & 0xffff; |
16 | 446 |
dest[i * 4 + 0] = (x < 32768 |
447 |
|| j + 1 >= src_width) ? src[j * 2 + 0] : src[j * 2 + 2]; |
|
0
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diff
changeset
|
448 |
|
0e761a78d257
Revision: 200949
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diff
changeset
|
449 |
j = acc >> 17; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
450 |
x = acc & 0x1ffff; |
16 | 451 |
dest[i * 4 + 1] = (x < 65536 |
452 |
|| 2 * (j + 2) >= src_width) ? src[j * 4 + 1] : src[j * 4 + 5]; |
|
453 |
||
454 |
if (2 * i + 1 < n && 2 * (j + 1) < src_width) |
|
455 |
dest[i * 4 + 3] = (x < 65536 |
|
456 |
|| 2 * (j + 3) >= src_width) ? src[j * 4 + 3] : src[j * 4 + 7]; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
x = acc & 0xffff; |
16 | 462 |
|
463 |
if (2 * i + 1 < n && j < src_width) { |
|
464 |
dest[i * 4 + 2] = (x < 32768 |
|
465 |
|| j + 1 >= src_width) ? src[j * 2 + 0] : src[j * 2 + 2]; |
|
466 |
acc += increment; |
|
467 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
void |
16 | 478 |
vs_scanline_resample_linear_YUYV (uint8_t * dest, uint8_t * src, int src_width, |
479 |
int n, int *accumulator, int increment) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
int acc = *accumulator; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
int j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
int x; |
16 | 485 |
int quads = (n + 1) / 2; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
|
16 | 487 |
for (i = 0; i < quads; i++) { |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
x = acc & 0xffff; |
16 | 490 |
|
491 |
if (j + 1 < src_width) |
|
492 |
dest[i * 4 + 0] = |
|
493 |
(src[j * 2 + 0] * (65536 - x) + src[j * 2 + 2] * x) >> 16; |
|
494 |
else |
|
495 |
dest[i * 4 + 0] = src[j * 2 + 0]; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
j = acc >> 17; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
x = acc & 0x1ffff; |
16 | 499 |
|
500 |
if (2 * (j + 2) < src_width) |
|
501 |
dest[i * 4 + 1] = |
|
502 |
(src[j * 4 + 1] * (131072 - x) + src[j * 4 + 5] * x) >> 17; |
|
503 |
else |
|
504 |
dest[i * 4 + 1] = src[j * 4 + 1]; |
|
505 |
||
506 |
if (2 * i + 1 < n && 2 * (j + 1) < src_width) { |
|
507 |
if (2 * (j + 3) < src_width) |
|
508 |
dest[i * 4 + 3] = |
|
509 |
(src[j * 4 + 3] * (131072 - x) + src[j * 4 + 7] * x) >> 17; |
|
510 |
else |
|
511 |
dest[i * 4 + 3] = src[j * 4 + 3]; |
|
512 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
x = acc & 0xffff; |
16 | 518 |
|
519 |
if (2 * i + 1 < n && j < src_width) { |
|
520 |
if (j + 1 < src_width) |
|
521 |
dest[i * 4 + 2] = |
|
522 |
(src[j * 2 + 0] * (65536 - x) + src[j * 2 + 2] * x) >> 16; |
|
523 |
else |
|
524 |
dest[i * 4 + 2] = src[j * 2 + 0]; |
|
525 |
acc += increment; |
|
526 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
|
16 | 529 |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
vs_scanline_merge_linear_YUYV (uint8_t * dest, uint8_t * src1, uint8_t * src2, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
int n, int x) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
int i; |
16 | 542 |
int quads = (n + 1) / 2; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
|
16 | 544 |
for (i = 0; i < quads; i++) { |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
dest[i * 4 + 0] = |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
(src1[i * 4 + 0] * (65536 - x) + src2[i * 4 + 0] * x) >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
dest[i * 4 + 1] = |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
(src1[i * 4 + 1] * (65536 - x) + src2[i * 4 + 1] * x) >> 16; |
16 | 549 |
|
550 |
if (2 * i + 1 < n) { |
|
551 |
dest[i * 4 + 2] = |
|
552 |
(src1[i * 4 + 2] * (65536 - x) + src2[i * 4 + 2] * x) >> 16; |
|
553 |
dest[i * 4 + 3] = |
|
554 |
(src1[i * 4 + 3] * (65536 - x) + src2[i * 4 + 3] * x) >> 16; |
|
555 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
/* UYVY */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
/* n is the number of bi-pixels */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
/* increment is per Y pixel */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
vs_scanline_downsample_UYVY (uint8_t * dest, uint8_t * src, int n) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
dest[i * 4 + 0] = (src[i * 8 + 0] + src[i * 8 + 4]) / 2; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
dest[i * 4 + 1] = (src[i * 8 + 1] + src[i * 8 + 3]) / 2; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
dest[i * 4 + 2] = (src[i * 8 + 2] + src[i * 8 + 6]) / 2; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
dest[i * 4 + 3] = (src[i * 8 + 5] + src[i * 8 + 7]) / 2; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
void |
16 | 587 |
vs_scanline_resample_nearest_UYVY (uint8_t * dest, uint8_t * src, int src_width, |
588 |
int n, int *accumulator, int increment) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
int acc = *accumulator; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
int j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
int x; |
16 | 594 |
int quads = (n + 1) / 2; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
|
16 | 596 |
for (i = 0; i < quads; i++) { |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
x = acc & 0xffff; |
16 | 599 |
|
600 |
dest[i * 4 + 1] = (x < 32768 |
|
601 |
|| j + 1 >= src_width) ? src[j * 2 + 1] : src[j * 2 + 3]; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
j = acc >> 17; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
x = acc & 0x1ffff; |
16 | 605 |
|
606 |
dest[i * 4 + 0] = (x < 65536 |
|
607 |
|| 2 * (j + 2) >= src_width) ? src[j * 4 + 0] : src[j * 4 + 4]; |
|
608 |
||
609 |
if (2 * i + 1 < n && 2 * (j + 1) < src_width) |
|
610 |
dest[i * 4 + 2] = (x < 65536 |
|
611 |
|| 2 * (j + 3) >= src_width) ? src[j * 4 + 2] : src[j * 4 + 6]; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
x = acc & 0xffff; |
16 | 617 |
|
618 |
if (2 * i + 1 < n && j < src_width) { |
|
619 |
dest[i * 4 + 3] = (x < 32768 |
|
620 |
|| j + 1 >= src_width) ? src[j * 2 + 1] : src[j * 2 + 3]; |
|
621 |
acc += increment; |
|
622 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
void |
16 | 633 |
vs_scanline_resample_linear_UYVY (uint8_t * dest, uint8_t * src, int src_width, |
634 |
int n, int *accumulator, int increment) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
int acc = *accumulator; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
int j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
int x; |
16 | 640 |
int quads = (n + 1) / 2; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
|
16 | 642 |
for (i = 0; i < quads; i++) { |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
x = acc & 0xffff; |
16 | 645 |
|
646 |
if (j + 1 < src_width) |
|
647 |
dest[i * 4 + 1] = |
|
648 |
(src[j * 2 + 1] * (65536 - x) + src[j * 2 + 3] * x) >> 16; |
|
649 |
else |
|
650 |
dest[i * 4 + 1] = src[j * 2 + 1]; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
652 |
j = acc >> 17; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
x = acc & 0x1ffff; |
16 | 654 |
if (2 * (j + 2) < src_width) |
655 |
dest[i * 4 + 0] = |
|
656 |
(src[j * 4 + 0] * (131072 - x) + src[j * 4 + 4] * x) >> 17; |
|
657 |
else |
|
658 |
dest[i * 4 + 0] = src[j * 4 + 0]; |
|
659 |
||
660 |
if (i * 2 + 1 < n && 2 * (j + 1) < src_width) { |
|
661 |
if (2 * (j + 3) < src_width) |
|
662 |
dest[i * 4 + 2] = |
|
663 |
(src[j * 4 + 2] * (131072 - x) + src[j * 4 + 6] * x) >> 17; |
|
664 |
else |
|
665 |
dest[i * 4 + 2] = src[j * 4 + 2]; |
|
666 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
667 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
668 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
670 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
671 |
x = acc & 0xffff; |
16 | 672 |
|
673 |
if (2 * i + 1 < n && j < src_width) { |
|
674 |
if (j + 1 < src_width) |
|
675 |
dest[i * 4 + 3] = |
|
676 |
(src[j * 2 + 1] * (65536 - x) + src[j * 2 + 3] * x) >> 16; |
|
677 |
else |
|
678 |
dest[i * 4 + 3] = src[j * 2 + 1]; |
|
679 |
acc += increment; |
|
680 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
681 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
684 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
685 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
686 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
687 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
688 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
689 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
690 |
void |
16 | 691 |
vs_scanline_merge_linear_UYVY (uint8_t * dest, uint8_t * src1, |
692 |
uint8_t * src2, int n, int x) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
693 |
{ |
16 | 694 |
int i; |
695 |
int quads = (n + 1) / 2; |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
696 |
|
16 | 697 |
for (i = 0; i < quads; i++) { |
698 |
dest[i * 4 + 0] = |
|
699 |
(src1[i * 4 + 0] * (65536 - x) + src2[i * 4 + 0] * x) >> 16; |
|
700 |
dest[i * 4 + 1] = |
|
701 |
(src1[i * 4 + 1] * (65536 - x) + src2[i * 4 + 1] * x) >> 16; |
|
702 |
||
703 |
if (2 * i + 1 < n) { |
|
704 |
dest[i * 4 + 2] = |
|
705 |
(src1[i * 4 + 2] * (65536 - x) + src2[i * 4 + 2] * x) >> 16; |
|
706 |
dest[i * 4 + 3] = |
|
707 |
(src1[i * 4 + 3] * (65536 - x) + src2[i * 4 + 3] * x) >> 16; |
|
708 |
} |
|
709 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
710 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
711 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
712 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
713 |
/* RGB565 */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
714 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
715 |
/* note that src and dest are uint16_t, and thus endian dependent */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
716 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
717 |
#define RGB565_R(x) (((x)&0xf800)>>8 | ((x)&0xf800)>>13) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
718 |
#define RGB565_G(x) (((x)&0x07e0)>>3 | ((x)&0x07e0)>>9) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
719 |
#define RGB565_B(x) (((x)&0x001f)<<3 | ((x)&0x001f)>>2) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
720 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
721 |
#define RGB565(r,g,b) \ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
722 |
((((r)<<8)&0xf800) | (((g)<<3)&0x07e0) | (((b)>>3)&0x001f)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
723 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
724 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
725 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
726 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
727 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
728 |
vs_scanline_downsample_RGB565 (uint8_t * dest_u8, uint8_t * src_u8, int n) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
729 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
730 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
731 |
uint16_t *src = (uint16_t *) src_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
732 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
733 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
734 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
735 |
dest[i] = RGB565 ( |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
736 |
(RGB565_R (src[i * 2]) + RGB565_R (src[i * 2 + 1])) / 2, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
737 |
(RGB565_G (src[i * 2]) + RGB565_G (src[i * 2 + 1])) / 2, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
738 |
(RGB565_B (src[i * 2]) + RGB565_B (src[i * 2 + 1])) / 2); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
739 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
740 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
741 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
742 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
743 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
744 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
745 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
746 |
void |
16 | 747 |
vs_scanline_resample_nearest_RGB565 (uint8_t * dest_u8, uint8_t * src_u8, |
748 |
int src_width, int n, int *accumulator, int increment) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
749 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
750 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
751 |
uint16_t *src = (uint16_t *) src_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
752 |
int acc = *accumulator; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
753 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
754 |
int j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
755 |
int x; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
756 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
757 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
758 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
759 |
x = acc & 0xffff; |
16 | 760 |
dest[i] = (x < 32768 || j + 1 >= src_width) ? src[j] : src[j + 1]; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
761 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
762 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
763 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
764 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
765 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
766 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
767 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
768 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
769 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
770 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
771 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
772 |
void |
16 | 773 |
vs_scanline_resample_linear_RGB565 (uint8_t * dest_u8, uint8_t * src_u8, |
774 |
int src_width, int n, int *accumulator, int increment) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
775 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
776 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
777 |
uint16_t *src = (uint16_t *) src_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
778 |
int acc = *accumulator; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
779 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
780 |
int j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
781 |
int x; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
782 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
783 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
784 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
785 |
x = acc & 0xffff; |
16 | 786 |
|
787 |
if (j + 1 < src_width) { |
|
788 |
dest[i] = RGB565 ( |
|
789 |
(RGB565_R (src[j]) * (65536 - x) + RGB565_R (src[j + 1]) * x) >> 16, |
|
790 |
(RGB565_G (src[j]) * (65536 - x) + RGB565_G (src[j + 1]) * x) >> 16, |
|
791 |
(RGB565_B (src[j]) * (65536 - x) + RGB565_B (src[j + 1]) * x) >> 16); |
|
792 |
} else { |
|
793 |
dest[i] = RGB565 (RGB565_R (src[j]), |
|
794 |
RGB565_G (src[j]), RGB565_B (src[j])); |
|
795 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
796 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
797 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
798 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
799 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
800 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
801 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
802 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
803 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
804 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
805 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
806 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
807 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
808 |
vs_scanline_merge_linear_RGB565 (uint8_t * dest_u8, uint8_t * src1_u8, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
809 |
uint8_t * src2_u8, int n, int x) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
810 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
811 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
812 |
uint16_t *src1 = (uint16_t *) src1_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
813 |
uint16_t *src2 = (uint16_t *) src2_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
814 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
815 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
816 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
817 |
dest[i] = RGB565 ( |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
818 |
(RGB565_R (src1[i]) * (65536 - x) + RGB565_R (src2[i]) * x) >> 16, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
819 |
(RGB565_G (src1[i]) * (65536 - x) + RGB565_G (src2[i]) * x) >> 16, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
820 |
(RGB565_B (src1[i]) * (65536 - x) + RGB565_B (src2[i]) * x) >> 16); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
821 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
822 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
823 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
824 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
825 |
/* RGB555 */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
826 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
827 |
/* note that src and dest are uint16_t, and thus endian dependent */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
828 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
829 |
#define RGB555_R(x) (((x)&0x7c00)>>8 | ((x)&0x7c00)>>13) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
830 |
#define RGB555_G(x) (((x)&0x03e0)>>3 | ((x)&0x03e0)>>9) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
831 |
#define RGB555_B(x) (((x)&0x001f)<<3 | ((x)&0x001f)>>2) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
832 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
833 |
#define RGB555(r,g,b) \ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
834 |
((((r)<<7)&0x7c00) | (((g)<<3)&0x03e0) | (((b)>>3)&0x001f)) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
835 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
836 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
837 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
838 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
839 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
840 |
vs_scanline_downsample_RGB555 (uint8_t * dest_u8, uint8_t * src_u8, int n) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
841 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
842 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
843 |
uint16_t *src = (uint16_t *) src_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
844 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
845 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
846 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
847 |
dest[i] = RGB555 ( |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
848 |
(RGB555_R (src[i * 2]) + RGB555_R (src[i * 2 + 1])) / 2, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
849 |
(RGB555_G (src[i * 2]) + RGB555_G (src[i * 2 + 1])) / 2, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
850 |
(RGB555_B (src[i * 2]) + RGB555_B (src[i * 2 + 1])) / 2); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
851 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
852 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
853 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
854 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
855 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
856 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
857 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
858 |
void |
16 | 859 |
vs_scanline_resample_nearest_RGB555 (uint8_t * dest_u8, uint8_t * src_u8, |
860 |
int src_width, int n, int *accumulator, int increment) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
861 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
862 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
863 |
uint16_t *src = (uint16_t *) src_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
864 |
int acc = *accumulator; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
865 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
866 |
int j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
867 |
int x; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
868 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
869 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
870 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
871 |
x = acc & 0xffff; |
16 | 872 |
dest[i] = (x < 32768 || j + 1 >= src_width) ? src[j] : src[j + 1]; |
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
873 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
874 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
875 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
876 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
877 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
878 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
879 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
880 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
881 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
882 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
883 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
884 |
void |
16 | 885 |
vs_scanline_resample_linear_RGB555 (uint8_t * dest_u8, uint8_t * src_u8, |
886 |
int src_width, int n, int *accumulator, int increment) |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
887 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
888 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
889 |
uint16_t *src = (uint16_t *) src_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
890 |
int acc = *accumulator; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
891 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
892 |
int j; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
893 |
int x; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
894 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
895 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
896 |
j = acc >> 16; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
897 |
x = acc & 0xffff; |
16 | 898 |
|
899 |
if (j + 1 < src_width) { |
|
900 |
dest[i] = RGB555 ( |
|
901 |
(RGB555_R (src[j]) * (65536 - x) + RGB555_R (src[j + 1]) * x) >> 16, |
|
902 |
(RGB555_G (src[j]) * (65536 - x) + RGB555_G (src[j + 1]) * x) >> 16, |
|
903 |
(RGB555_B (src[j]) * (65536 - x) + RGB555_B (src[j + 1]) * x) >> 16); |
|
904 |
} else { |
|
905 |
dest[i] = RGB555 (RGB555_R (src[j]), |
|
906 |
RGB555_G (src[j]), RGB555_B (src[j])); |
|
907 |
} |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
908 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
909 |
acc += increment; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
910 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
911 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
912 |
*accumulator = acc; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
913 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
914 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
915 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
916 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
917 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
918 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
919 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
920 |
vs_scanline_merge_linear_RGB555 (uint8_t * dest_u8, uint8_t * src1_u8, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
921 |
uint8_t * src2_u8, int n, int x) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
922 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
923 |
uint16_t *dest = (uint16_t *) dest_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
924 |
uint16_t *src1 = (uint16_t *) src1_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
925 |
uint16_t *src2 = (uint16_t *) src2_u8; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
926 |
int i; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
927 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
928 |
for (i = 0; i < n; i++) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
929 |
dest[i] = RGB555 ( |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
930 |
(RGB555_R (src1[i]) * (65536 - x) + RGB555_R (src2[i]) * x) >> 16, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
931 |
(RGB555_G (src1[i]) * (65536 - x) + RGB555_G (src2[i]) * x) >> 16, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
932 |
(RGB555_B (src1[i]) * (65536 - x) + RGB555_B (src2[i]) * x) >> 16); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
933 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
934 |
} |