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author | Max Horn | 2009-01-20 22:52:29 +0000 |
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committer | Max Horn | 2009-01-20 22:52:29 +0000 |
commit | c210b7187618111ee71c1f3d8404dc6ef23042e2 (patch) | |
tree | 322dffed82c7a6a622c8095770f479105868b3c1 /backends/vkeybd | |
parent | f8da825177a8554e46deed6008916819574bdbae (diff) | |
download | scummvm-rg350-c210b7187618111ee71c1f3d8404dc6ef23042e2.tar.gz scummvm-rg350-c210b7187618111ee71c1f3d8404dc6ef23042e2.tar.bz2 scummvm-rg350-c210b7187618111ee71c1f3d8404dc6ef23042e2.zip |
Moved Surface::blit to backends/vkeybd/virtual-keyboard-gui.cpp
svn-id: r35965
Diffstat (limited to 'backends/vkeybd')
-rw-r--r-- | backends/vkeybd/virtual-keyboard-gui.cpp | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/backends/vkeybd/virtual-keyboard-gui.cpp b/backends/vkeybd/virtual-keyboard-gui.cpp index 4cae71ec82..37a88761aa 100644 --- a/backends/vkeybd/virtual-keyboard-gui.cpp +++ b/backends/vkeybd/virtual-keyboard-gui.cpp @@ -32,6 +32,47 @@ namespace Common { +static void blit(Graphics::Surface *surf_dst, Graphics::Surface *surf_src, int16 x, int16 y, OverlayColor transparent) { + if (surf_dst->bytesPerPixel != sizeof(OverlayColor) || surf_src->bytesPerPixel != sizeof(OverlayColor)) + return; + + const OverlayColor *src = (const OverlayColor *)surf_src->pixels; + int blitW = surf_src->w; + int blitH = surf_src->h; + + // clip co-ordinates + if (x < 0) { + blitW += x; + src -= x; + x = 0; + } + if (y < 0) { + blitH += y; + src -= y * surf_src->w; + y = 0; + } + if (blitW > surf_dst->w - x) + blitW = surf_dst->w - x; + if (blitH > surf_dst->h - y) + blitH = surf_dst->h - y; + if (blitW <= 0 || blitH <= 0) + return; + + OverlayColor *dst = (OverlayColor *)surf_dst->getBasePtr(x, y); + int dstAdd = surf_dst->w - blitW; + int srcAdd = surf_src->w - blitW; + + for (int i = 0; i < blitH; ++i) { + for (int j = 0; j < blitW; ++j, ++dst, ++src) { + OverlayColor col = *src; + if (col != transparent) + *dst = col; + } + dst += dstAdd; + src += srcAdd; + } +} + VirtualKeyboardGUI::VirtualKeyboardGUI(VirtualKeyboard *kbd) : _kbd(kbd), _displaying(false), _drag(false), _drawCaret(false), _displayEnabled(false), _firstRun(true), @@ -313,10 +354,10 @@ void VirtualKeyboardGUI::redraw() { src += _overlayBackup.w; } - surf.blit(_kbdSurface, _kbdBound.left - _dirtyRect.left, + blit(&surf, _kbdSurface, _kbdBound.left - _dirtyRect.left, _kbdBound.top - _dirtyRect.top, _kbdTransparentColor); if (_displayEnabled) { - surf.blit(&_dispSurface, _dispX - _dirtyRect.left, + blit(&surf, &_dispSurface, _dispX - _dirtyRect.left, _dispY - _dirtyRect.top, _dispBackColor); } _system->copyRectToOverlay((OverlayColor*)surf.pixels, surf.w, |