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GRAPHICS: Implemented debug output for Surface

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Eugene Sandulenko 2021-05-01 17:11:55 +02:00
parent 5e6e9bf74b
commit ed9c2f97ca
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2 changed files with 105 additions and 0 deletions
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90
graphics/surface.cpp
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@ -550,6 +550,96 @@ Graphics::Surface *Surface::convertTo(const PixelFormat &dstFormat, const byte *
return surface;
}
void Surface::debugPrint(int debuglevel, int width, int height, int x, int y, int scale, int maxwidth, const byte *palette) const {
// 012 3456789abcdef
const char *gradient = " .:\';+*<?F7RQ&%#";
if (width <= 0) width = w;
if (height <= 0) height = h;
if (x < 0) x = 0;
if (y < 0) y = 0;
maxwidth -= 2; // Compensate for the frame
if (maxwidth < 0) maxwidth = 80;
if (scale < 1) {
scale = MAX(1, (width + maxwidth - 1) / maxwidth);
}
x = MIN<int>(x, w);
y = MIN<int>(y, h);
int tox = MIN<int>(x + width, w);
int toy = MIN<int>(y + height, h);
debug(debuglevel, "Surface: %d x %d, bpp: %d, format: %s, address: %p", w, h, format.bytesPerPixel, format.toString().c_str(), (void *)this);
debug(debuglevel, "displaying: %d x %d @ %d,%d, scale: %d", width, height, x, y, scale);
debugN(debuglevel, "+");
for (int xx = x; xx < tox; xx += scale)
debugN(debuglevel, "-");
debug(debuglevel, "+");
for (int yy = y; yy < toy; yy += scale) {
debugN(debuglevel, "|");
for (int xx = x; xx < tox; xx += scale) {
double grayscale = 0.0;
int pixelcount = 0;
for (int ys = 0; ys < scale && yy + ys < h; ys++) {
const byte *srcRow = (const byte *)getBasePtr(xx, yy + ys);
for (int xs = 0; xs < scale && xx + xs < w; xs++) {
byte r, g, b, a;
uint32 color;
switch (format.bytesPerPixel) {
case 1: {
byte index = *srcRow;
if (palette) {
r = palette[index * 3];
g = palette[index * 3 + 1];
b = palette[index * 3 + 2];
} else {
r = g = b = index;
}
a = 0xff;
}
break;
case 2:
color = READ_UINT16(srcRow);
break;
case 3:
color = READ_UINT24(srcRow);
break;
case 4:
color = READ_UINT32(srcRow);
break;
default:
error("Surface::debugPrint: Unsupported bpp: %d", format.bytesPerPixel);
}
if (format.bytesPerPixel > 1)
format.colorToARGB(color, a, r, g, b);
grayscale += (0.29 * r + 0.58 * g + 0.11 * b) / 3.0;
pixelcount++;
srcRow += format.bytesPerPixel;
}
}
debugN(debuglevel, "%c", gradient[(int)(grayscale / pixelcount / 16)]);
}
debug(debuglevel, "|");
}
debugN(debuglevel, "+");
for (int xx = x; xx < tox; xx += scale)
debugN(debuglevel, "-");
debug(debuglevel, "+");
}
FloodFill::FloodFill(Graphics::Surface *surface, uint32 oldColor, uint32 fillColor, bool maskMode) {
_surface = surface;
_oldColor = oldColor;