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| author | Eugene Sandulenko | 2010-09-01 09:52:51 +0000 |
|---|---|---|
| committer | Eugene Sandulenko | 2010-10-12 23:24:52 +0000 |
| commit | a5d895473cd6d5c95ed1d17c885ce45e46c2873f (patch) | |
| tree | 5f58cbce6f01ea7cd801ac46458d5027134737af | |
| parent | 2b2330ce65783a5dd86bc882481e383df501f460 (diff) | |
| download | scummvm-rg350-a5d895473cd6d5c95ed1d17c885ce45e46c2873f.tar.gz scummvm-rg350-a5d895473cd6d5c95ed1d17c885ce45e46c2873f.tar.bz2 scummvm-rg350-a5d895473cd6d5c95ed1d17c885ce45e46c2873f.zip | |
SWORD25: Implement image filpping
svn-id: r53304
| -rw-r--r-- | engines/sword25/gfx/opengl/glimage.cpp | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/engines/sword25/gfx/opengl/glimage.cpp b/engines/sword25/gfx/opengl/glimage.cpp index 7c1b95be3f..53b7c7b7b8 100644 --- a/engines/sword25/gfx/opengl/glimage.cpp +++ b/engines/sword25/gfx/opengl/glimage.cpp @@ -182,10 +182,6 @@ bool GLImage::Blit(int PosX, int PosY, int Flipping, Common::Rect *pPartRect, un warning("STUB: Sprite scaling (%f x %f)", ScaleX, ScaleY); } - if (Flipping & (Image::FLIP_V | Image::FLIP_H)) { - warning("STUB: Sprite flipping"); - } - if (PosX < 0) { w -= PosX; x1 = -PosX; @@ -210,7 +206,18 @@ bool GLImage::Blit(int PosX, int PosY, int Flipping, Common::Rect *pPartRect, un // weiterzuführen. Bei Gelegenheit ist dieses aber zu ändern. // TODO: scaling - // TODO: Flipping + int inStep = 4; + int inoStep = m_Width * 4; + if (Flipping & Image::FLIP_V) { + inStep = -inStep; + x1 = x1 + w - 1; + } + + if (Flipping & Image::FLIP_H) { + inoStep = -inoStep; + y1 = y1 + h - 1; + } + byte *ino = &_data[y1 * m_Width * 4 + x1 * 4]; byte *outo = (byte *)_backSurface->getBasePtr(PosX, PosY); byte *in, *out; @@ -219,10 +226,12 @@ bool GLImage::Blit(int PosX, int PosY, int Flipping, Common::Rect *pPartRect, un out = outo; in = ino; for (int j = 0; j < w; j++) { - int r = *in++; - int g = *in++; - int b = *in++; - int a = *in++; + int r = in[0]; + int g = in[1]; + int b = in[2]; + int a = in[3]; + in += inStep; + switch (a) { case 0: // Full transparency out += 4; @@ -266,7 +275,7 @@ bool GLImage::Blit(int PosX, int PosY, int Flipping, Common::Rect *pPartRect, un } } outo += _backSurface->pitch; - ino += m_Width * 4; + ino += inoStep; } g_system->copyRectToScreen((byte *)_backSurface->getBasePtr(PosX, PosY), _backSurface->pitch, PosX, PosY, w, h); |