mirror of https://github.com/stella-emu/stella.git
added support for qvga landscape smartphones. cleanup.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1297 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
knakos
parent
494b1cdcdc
commit
4d9223bea7
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@ -14,7 +14,7 @@
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// Windows CE Port by Kostas Nakos
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// $Id: FrameBufferWinCE.cpp,v 1.10 2007-01-18 16:26:04 knakos Exp $
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// $Id: FrameBufferWinCE.cpp,v 1.11 2007-01-21 20:07:48 knakos Exp $
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//============================================================================
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#include <windows.h>
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@ -84,7 +84,13 @@ void FrameBufferWinCE::GetDeviceProperties(void)
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else if (gxdp.cxWidth == 480 && gxdp.cyHeight == 640)
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devres = VGA;
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else
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{
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devres = QVGA;
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// as a special case, qvga landscape devices are represented by the combination of:
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// devres=QVGA && islandscape=true && displaymode=0
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if (gxdp.cxWidth > gxdp.cyHeight)
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islandscape = true;
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}
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}
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void FrameBufferWinCE::setTIAPalette(const uInt32* palette)
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@ -152,6 +158,8 @@ bool FrameBufferWinCE::initSubsystem()
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void FrameBufferWinCE::setmode(uInt8 mode)
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{
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bool qvga_l = (displaymode == 0) && islandscape;
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displaymode = mode % 3;
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switch (displaymode)
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{
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@ -159,23 +167,21 @@ void FrameBufferWinCE::setmode(uInt8 mode)
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case 0:
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pixelstep = gxdp.cbxPitch;
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linestep = gxdp.cbyPitch;
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islandscape = false;
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break;
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// landscape
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case 1:
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pixelstep = - gxdp.cbyPitch;
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linestep = gxdp.cbxPitch;
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islandscape = true;
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break;
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// inverted landscape
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case 2:
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pixelstep = gxdp.cbyPitch;
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linestep = - gxdp.cbxPitch;
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islandscape = true;
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break;
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}
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islandscape = displaymode || qvga_l;
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pixelstepdouble = pixelstep << 1;
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linestepdouble = linestep << 1;
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@ -189,6 +195,7 @@ void FrameBufferWinCE::setmode(uInt8 mode)
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uInt8 FrameBufferWinCE::rotatedisplay(void)
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{
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if (!(displaymode == 0 && islandscape))
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displaymode = (displaymode + 1) % 3;
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setmode(displaymode);
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wipescreen();
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@ -660,8 +667,10 @@ void FrameBufferWinCE::drawChar(const GUI::Font* myfont, uInt8 c, uInt32 x, uInt
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}
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else if (devres == QVGA)
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{
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if (displaymode != 2)
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d = myDstScreen + (scrheight-x-1) * scrlinestep + (y-1) * scrpixelstep;
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if (!displaymode && islandscape)
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d = myDstScreen + y * scrlinestep + x * scrpixelstep;
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else if (displaymode != 2)
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d = myDstScreen + (scrheight-x) * scrlinestep + y * scrpixelstep;
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else
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d = myDstScreen + x * scrlinestep + (scrwidth-y-1) * scrpixelstep;
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}
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@ -698,12 +707,16 @@ void FrameBufferWinCE::drawChar(const GUI::Font* myfont, uInt8 c, uInt32 x, uInt
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{
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if (buffer & mask)
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*((uInt16 *)d) = col;
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if (displaymode != 2)
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if (!displaymode && islandscape)
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d += scrpixelstep;
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else if (displaymode != 2)
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d -= scrlinestep;
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else
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d += scrlinestep;
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}
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if (displaymode != 2)
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if (!displaymode && islandscape)
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d = tmp + scrlinestep;
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else if (displaymode != 2)
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d = tmp + scrpixelstep;
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else
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d = tmp - scrpixelstep;
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@ -729,35 +742,9 @@ void FrameBufferWinCE::drawChar(const GUI::Font* myfont, uInt8 c, uInt32 x, uInt
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else
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d = tmp - (scrpixelstep<<1);
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}
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}
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}
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void FrameBufferWinCE::scanline(uInt32 row, uInt8* data)
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{
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return;
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}
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void FrameBufferWinCE::setAspectRatio()
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{
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return;
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}
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bool FrameBufferWinCE::createScreen()
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{
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return true;
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}
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void FrameBufferWinCE::toggleFilter()
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{
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return;
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}
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uInt32 FrameBufferWinCE::mapRGB(Uint8 r, Uint8 g, Uint8 b)
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{
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return 0xFFFFFFFF;
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}
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void FrameBufferWinCE::hLine(uInt32 x, uInt32 y, uInt32 x2, int color)
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{
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if (devres == SM_LOW)
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@ -767,8 +754,10 @@ void FrameBufferWinCE::hLine(uInt32 x, uInt32 y, uInt32 x2, int color)
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PlothLine(kx, ky, kx2, color);
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}
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else if (devres == QVGA)
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if (displaymode != 2)
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PlotvLine(y, scrheight-x, scrheight-x2-1, color);
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if (!displaymode && islandscape)
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PlothLine(x, y, x2, color);
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else if (displaymode != 2)
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PlotvLine(y, scrheight-x, scrheight-x2, color);
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else
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PlotvLine(scrwidth-y-1, x, x2+1, color);
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else
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@ -790,7 +779,7 @@ void FrameBufferWinCE::PlothLine(uInt32 x, uInt32 y, uInt32 x2, int color)
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if (x>x2) { x2 ^= x; x ^= x2; x2 ^= x;} //lazy swap
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uInt8 *d = myDstScreen + y * scrlinestep + x * scrpixelstep;
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uInt16 col = pal[color];
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for (;x < x2; x++, *((uInt16 *)d) = col, d += scrpixelstep);
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for (;x <= x2; x++, *((uInt16 *)d) = col, d += scrpixelstep);
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}
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void FrameBufferWinCE::vLine(uInt32 x, uInt32 y, uInt32 y2, int color)
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@ -802,8 +791,10 @@ void FrameBufferWinCE::vLine(uInt32 x, uInt32 y, uInt32 y2, int color)
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PlotvLine(kx, ky, ky2, color);
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}
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else if (devres == QVGA)
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if (displaymode != 2)
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PlothLine(y, scrheight-x-1, y2, color);
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if (!displaymode && islandscape)
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PlotvLine(x, y, y2, color);
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else if (displaymode != 2)
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PlothLine(y, scrheight-x, y2, color);
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else
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PlothLine(scrwidth-y, x, scrwidth-y2, color);
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else
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@ -825,7 +816,7 @@ void FrameBufferWinCE::PlotvLine(uInt32 x, uInt32 y, uInt32 y2, int color)
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if (!myDstScreen) return;
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uInt8 *d = myDstScreen + y * scrlinestep + x * scrpixelstep;
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uInt16 col = pal[color];
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for (;y < y2; y++, *((uInt16 *)d) = col, d += scrlinestep);
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for (;y <= y2; y++, *((uInt16 *)d) = col, d += scrlinestep);
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}
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void FrameBufferWinCE::fillRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h, int color)
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@ -841,10 +832,15 @@ void FrameBufferWinCE::fillRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h, int colo
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}
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else if (devres == QVGA)
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{
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if (!displaymode && islandscape)
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{
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PlotfillRect(x, y, w, h, color);
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return;
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}
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if (x>scrheight) return; if (y>scrwidth) return;
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if (x+w>scrheight) w=scrheight-x; if (y+h>scrwidth) h=scrwidth-y;
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if (displaymode != 2)
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PlotfillRect(y, scrheight-x-w, h-1, w-1, color);
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PlotfillRect(y, scrheight-x-w+1, h, w, color);
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else
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PlotfillRect(scrwidth-y-h, x, h-1, w-1, color);
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}
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@ -865,9 +861,9 @@ void FrameBufferWinCE::PlotfillRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h, int
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if (!myDstScreen) return;
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uInt8 *d = myDstScreen + y * scrlinestep + x * scrpixelstep;
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uInt16 col = pal[color];
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uInt32 stride = (scrwidth - w - 1) * scrpixelstep;
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for (h++; h != 0; h--, d += stride)
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for (int w2=w; w2>=0; w2--, *((uInt16 *)d) = col, d += scrpixelstep);
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uInt32 stride = (scrwidth - w) * scrpixelstep;
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for (;h != 0; h--, d += stride)
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for (int w2=w; w2>0; w2--, *((uInt16 *)d) = col, d += scrpixelstep);
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}
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void FrameBufferWinCE::drawBitmap(uInt32* bitmap, Int32 x, Int32 y, int color, Int32 h)
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@ -877,11 +873,14 @@ void FrameBufferWinCE::drawBitmap(uInt32* bitmap, Int32 x, Int32 y, int color, I
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uInt32 cold;
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if (!myDstScreen) return;
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if (devres == SM_LOW)
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return;
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else if (devres == QVGA)
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if (displaymode != 2)
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d = myDstScreen + (scrheight-x-1) * scrlinestep + y * scrpixelstep;
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if (!displaymode && islandscape)
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d = myDstScreen + y * scrlinestep + x * scrpixelstep;
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else if (displaymode != 2)
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d = myDstScreen + (scrheight-x) * scrlinestep + y * scrpixelstep;
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else
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d = myDstScreen + x * scrlinestep + (scrwidth-y-1) * scrpixelstep;
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else
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@ -896,6 +895,7 @@ void FrameBufferWinCE::drawBitmap(uInt32* bitmap, Int32 x, Int32 y, int color, I
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{
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uInt32 mask = 0xF0000000;
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uInt8 *tmp = d;
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for (int j = 0; j < 8; j++, mask >>= 4)
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{
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if(bitmap[i] & mask)
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@ -910,7 +910,9 @@ void FrameBufferWinCE::drawBitmap(uInt32* bitmap, Int32 x, Int32 y, int color, I
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}
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if (devres == QVGA)
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{
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if (displaymode != 2)
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if (!displaymode && islandscape)
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d += scrpixelstep;
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else if (displaymode != 2)
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d -= scrlinestep;
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else
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d += scrlinestep;
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@ -923,9 +925,12 @@ void FrameBufferWinCE::drawBitmap(uInt32* bitmap, Int32 x, Int32 y, int color, I
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d += (scrlinestep<<1);
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}
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}
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if (devres == QVGA)
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{
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if (displaymode != 2)
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if (!displaymode && islandscape)
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d = tmp + scrlinestep;
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else if (displaymode != 2)
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d = tmp + scrpixelstep;
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else
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d = tmp - scrpixelstep;
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@ -981,11 +986,6 @@ void FrameBufferWinCE::addDirtyRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h)
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return;
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}
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uInt32 FrameBufferWinCE::lineDim()
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{
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return 1;
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}
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string FrameBufferWinCE::about()
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{
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string id = "Video rendering: ";
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