[Scummvm-cvs-logs] scummvm master -> 2242917dda89cfdf2dd9f15748b5bdb1b4bbe1c3
wjp
wjp at usecode.org
Sun Sep 29 22:31:05 CEST 2013
This automated email contains information about 1 new commit which have been
pushed to the 'scummvm' repo located at https://github.com/scummvm/scummvm .
Summary:
2242917dda WINTERMUTE: Do antialiased TT font rendering
Commit: 2242917dda89cfdf2dd9f15748b5bdb1b4bbe1c3
https://github.com/scummvm/scummvm/commit/2242917dda89cfdf2dd9f15748b5bdb1b4bbe1c3
Author: Willem Jan Palenstijn (wjp at usecode.org)
Date: 2013-09-29T13:27:56-07:00
Commit Message:
WINTERMUTE: Do antialiased TT font rendering
Changed paths:
engines/wintermute/base/font/base_font_truetype.cpp
diff --git a/engines/wintermute/base/font/base_font_truetype.cpp b/engines/wintermute/base/font/base_font_truetype.cpp
index b6f372f..cc0b9d3 100644
--- a/engines/wintermute/base/font/base_font_truetype.cpp
+++ b/engines/wintermute/base/font/base_font_truetype.cpp
@@ -286,6 +286,26 @@ BaseSurface *BaseFontTT::renderTextToTexture(const WideString &text, int width,
BaseSurface *retSurface = _gameRef->_renderer->createSurface();
Graphics::Surface *convertedSurface = surface->convertTo(_gameRef->_renderer->getPixelFormat());
+
+ if (_deletableFont) {
+ // Reconstruct the alpha channel of the font.
+
+ // Since we painted it with color 0xFFFFFFFF onto a black background,
+ // the alpha channel is gone, but the colour value of each pixel corresponds
+ // to its original alpha value.
+
+ Graphics::PixelFormat format = _gameRef->_renderer->getPixelFormat();
+ uint32 *pixels = (uint32 *)convertedSurface->getPixels();
+
+ // This is a Surface we created ourselves, so no emtpy space between rows.
+ for (int i = 0; i < surface->w * surface->h; ++i) {
+ uint8 a, r, g, b;
+ format.colorToRGB(*pixels, r, g, b);
+ a = r;
+ *pixels++ = format.ARGBToColor(a, r, g, b);
+ }
+ }
+
retSurface->putSurface(*convertedSurface, true);
convertedSurface->free();
surface->free();
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