void Surface::shadeRect(uint16 left, uint16 top, uint16 right, uint16 bottom,
uint32 color, uint8 strength) {
if (_bpp == 1) {
// We can't properly shade in paletted mode, fill the rect instead
fillRect(left, top, right, bottom, color);
return;
}
// Just in case those are swapped
if (left > right)
SWAP(left, right);
if (top > bottom)
SWAP(top, bottom);
if ((left >= _width) || (top >= _height))
// Nothing to do
return;
// Area to actually shade
uint16 width = CLIP<int32>(right - left + 1, 0, _width - left);
uint16 height = CLIP<int32>(bottom - top + 1, 0, _height - top);
if ((width == 0) || (height == 0))
// Nothing to do
return;
Graphics::PixelFormat pixelFormat = g_system->getScreenFormat();
uint8 cR, cG, cB;
pixelFormat.colorToRGB(color, cR, cG, cB);
int shadeR = cR * (16 - strength);
int shadeG = cG * (16 - strength);
int shadeB = cB * (16 - strength);
Pixel p = get(left, top);
while (height-- > 0) {
for (uint16 i = 0; i < width; i++, ++p) {
uint8 r, g, b;
pixelFormat.colorToRGB(p.get(), r, g, b);
r = CLIP<int>((shadeR + strength * r) >> 4, 0, 255);
g = CLIP<int>((shadeG + strength * g) >> 4, 0, 255);
b = CLIP<int>((shadeB + strength * b) >> 4, 0, 255);
p.set(pixelFormat.RGBToColor(r, g, b));
}
p += _width - width;
}
}
bool SavePartSprite::readSprite(const Surface &sprite) {
// The sprite's dimensions have to fit
if (((uint32)sprite.getWidth()) != _width)
return false;
if (((uint32)sprite.getHeight()) != _height)
return false;
if (_trueColor) {
if (sprite.getBPP() <= 1)
return false;
Graphics::PixelFormat pixelFormat = g_system->getScreenFormat();
byte *data = _dataSprite;
ConstPixel pixel = sprite.get();
for (uint32 i = 0; i < (_width * _height); i++, ++pixel, data += 3)
pixelFormat.colorToRGB(pixel.get(), data[0], data[1], data[2]);
} else {
if (sprite.getBPP() != 1)
return false;
memcpy(_dataSprite, sprite.getData(), _width * _height);
}
return true;
}
/**
* Copies the current screen contents to a new surface, using RGB565 format.
* WARNING: surf->free() must be called by the user to avoid leaking.
*
* @param surf the surface to store the data in it
*/
static bool grabScreen565(Graphics::Surface *surf) {
Graphics::Surface *screen = g_system->lockScreen();
if (!screen)
return false;
assert(screen->format.bytesPerPixel == 1 || screen->format.bytesPerPixel == 2);
assert(screen->getPixels() != 0);
Graphics::PixelFormat screenFormat = g_system->getScreenFormat();
surf->create(screen->w, screen->h, Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0));
byte *palette = 0;
if (screenFormat.bytesPerPixel == 1) {
palette = new byte[256 * 3];
assert(palette);
g_system->getPaletteManager()->grabPalette(palette, 0, 256);
}
for (uint y = 0; y < screen->h; ++y) {
for (uint x = 0; x < screen->w; ++x) {
byte r = 0, g = 0, b = 0;
if (screenFormat.bytesPerPixel == 1) {
uint8 pixel = *(uint8 *)screen->getBasePtr(x, y);
r = palette[pixel * 3 + 0];
g = palette[pixel * 3 + 1];
b = palette[pixel * 3 + 2];
} else if (screenFormat.bytesPerPixel == 2) {
uint16 col = READ_UINT16(screen->getBasePtr(x, y));
screenFormat.colorToRGB(col, r, g, b);
}
*((uint16 *)surf->getBasePtr(x, y)) = Graphics::RGBToColor<Graphics::ColorMasks<565> >(r, g, b);
}
}
delete[] palette;
g_system->unlockScreen();
return true;
}
BaseSurface *BaseFontTT::renderTextToTexture(const WideString &text, int width, TTextAlign align, int maxHeight, int &textOffset) {
//TextLineList lines;
// TODO: Use WideString-conversion here.
//WrapText(text, width, maxHeight, lines);
Common::Array<WideString> lines;
_font->wordWrapText(text, width, lines);
while (maxHeight > 0 && lines.size() * _lineHeight > maxHeight) {
lines.pop_back();
}
if (lines.size() == 0) {
return nullptr;
}
Graphics::TextAlign alignment = Graphics::kTextAlignInvalid;
if (align == TAL_LEFT) {
alignment = Graphics::kTextAlignLeft;
} else if (align == TAL_CENTER) {
alignment = Graphics::kTextAlignCenter;
} else if (align == TAL_RIGHT) {
alignment = Graphics::kTextAlignRight;
}
// TODO: This debug call does not work with WideString because text.c_str() returns an uint32 array.
//debugC(kWintermuteDebugFont, "%s %d %d %d %d", text.c_str(), RGBCOLGetR(_layers[0]->_color), RGBCOLGetG(_layers[0]->_color), RGBCOLGetB(_layers[0]->_color), RGBCOLGetA(_layers[0]->_color));
// void drawString(Surface *dst, const Common::String &str, int x, int y, int w, uint32 color, TextAlign align = kTextAlignLeft, int deltax = 0, bool useEllipsis = true) const;
Graphics::Surface *surface = new Graphics::Surface();
surface->create((uint16)width, (uint16)(_lineHeight * lines.size()), _gameRef->_renderer->getPixelFormat());
uint32 useColor = 0xffffffff;
Common::Array<WideString>::iterator it;
int heightOffset = 0;
for (it = lines.begin(); it != lines.end(); ++it) {
_font->drawString(surface, *it, 0, heightOffset, width, useColor, alignment);
heightOffset += (int)_lineHeight;
}
BaseSurface *retSurface = _gameRef->_renderer->createSurface();
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 color value of each pixel corresponds
// to its original alpha value.
Graphics::PixelFormat format = _gameRef->_renderer->getPixelFormat();
uint32 *pixels = (uint32 *)surface->getPixels();
// This is a Surface we created ourselves, so no empty 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(*surface, true);
surface->free();
delete surface;
return retSurface;
// TODO: _isUnderline, _isBold, _isItalic, _isStriked
}
