thirdparty/scummvm
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Rename PocketPCPortrait scaler to DownscaleHorizByThreeQuarters,

Browse source 
and move it to graphics/scaler.

svn-id: r48191
This commit is contained in:
Max Horn 2010-03-08 10:31:09 +00:00
parent deec3408a1
commit 0fc137cdf2
5 changed files with 48 additions and 42 deletions
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35
backends/platform/wince/CEScaler.cpp
View file

@ -25,41 +25,6 @@
#include "graphics/scaler/intern.h"
#include "CEScaler.h"
template<typename ColorMask>
void PocketPCPortraitTemplate(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
uint16 *work;
// Various casts below go via (void *) to avoid warning. This is
// safe as these are all even addresses.
while (height--) {
work = (uint16 *)(void *)dstPtr;
for (int i=0; i<width; i+=4) {
// Work with 4 pixels
uint16 color1 = *(((const uint16 *)(const void *)srcPtr) + i);
uint16 color2 = *(((const uint16 *)(const void *)srcPtr) + (i + 1));
uint16 color3 = *(((const uint16 *)(const void *)srcPtr) + (i + 2));
uint16 color4 = *(((const uint16 *)(const void *)srcPtr) + (i + 3));
work[0] = interpolate32_3_1<ColorMask>(color1, color2);
work[1] = interpolate32_1_1<ColorMask>(color2, color3);
work[2] = interpolate32_3_1<ColorMask>(color4, color3);
work += 3;
}
srcPtr += srcPitch;
dstPtr += dstPitch;
}
}
void PocketPCPortrait(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
extern int gBitFormat;
if (gBitFormat == 565)
PocketPCPortraitTemplate<Graphics::ColorMasks<565> >(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
else
PocketPCPortraitTemplate<Graphics::ColorMasks<555> >(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
}
void PocketPCLandscapeAspect(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
const int redblueMasks[] = { 0x7C1F, 0xF81F };