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| author | Paul Gilbert | 2016-04-27 23:02:00 -0400 |
|---|---|---|
| committer | Paul Gilbert | 2016-07-10 16:12:13 -0400 |
| commit | 001a2ac15e5c8722ba283e7380d6dc9ce11e51b0 (patch) | |
| tree | d324ea04f06325d689120f45e877eba34e626ca9 /engines/titanic/support/video_surface.cpp | |
| parent | e4b231b39dfb0247afa61ac8afb40be863b9f08c (diff) | |
| download | scummvm-rg350-001a2ac15e5c8722ba283e7380d6dc9ce11e51b0.tar.gz scummvm-rg350-001a2ac15e5c8722ba283e7380d6dc9ce11e51b0.tar.bz2 scummvm-rg350-001a2ac15e5c8722ba283e7380d6dc9ce11e51b0.zip | |
TITANIC: Implement surface changePixel method
Diffstat (limited to 'engines/titanic/support/video_surface.cpp')
| -rw-r--r-- | engines/titanic/support/video_surface.cpp | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/engines/titanic/support/video_surface.cpp b/engines/titanic/support/video_surface.cpp index 089b216347..fe694786e4 100644 --- a/engines/titanic/support/video_surface.cpp +++ b/engines/titanic/support/video_surface.cpp @@ -164,6 +164,8 @@ bool CVideoSurface::proc45() { /*------------------------------------------------------------------------*/ +byte OSVideoSurface::_map[0x400]; + OSVideoSurface::OSVideoSurface(CScreenManager *screenManager, DirectDrawSurface *surface) : CVideoSurface(screenManager) { _ddSurface = surface; @@ -367,8 +369,26 @@ uint16 OSVideoSurface::getPixel(const Common::Point &pt) { } } -void OSVideoSurface::changePixel(uint16 *pixelP, uint16 color, int val3, int val5) { - // TODO +void OSVideoSurface::changePixel(uint16 *pixelP, uint16 *color, byte srcVal, bool remapFlag) { + assert(getPixelDepth() == 2); + const Graphics::PixelFormat &format = _ddSurface->getFormat(); + + // Get the color + byte r, g, b; + format.colorToRGB(*color, r, g, b); + if (remapFlag) { + r = _map[0x3e0 - srcVal * 32 + (r >> 2)] << 2; + g = _map[0x3e0 - srcVal * 32 + (g >> 2)] << 2; + b = _map[0x3e0 - srcVal * 32 + (b >> 2)] << 2; + } + + byte r2, g2, b2; + format.colorToRGB(*pixelP, r2, g2, b2); + r2 = _map[srcVal * 32 + (r2 >> 2)] << 2; + g2 = _map[srcVal * 32 + (g2 >> 2)] << 2; + b2 = _map[srcVal * 32 + (b2 >> 2)] << 2; + + *pixelP = format.RGBToColor(r + r2, g + g2, b + b2); } void OSVideoSurface::shiftColors() { |