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Big rewrite of the LowLevelGraphicsSoftwareRenderer class, adding internal support for complex clipping regions - this will temporarily make font rendering quite slow, until it gets re-optimised for this new design. Changed the Image class to remove the lockPixelData methods, and replaced these with an object Image::BitmapData, which is easier to use.

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This commit is contained in:
Julian Storer 2009-11-26 21:36:45 +00:00
parent 9fc4b6d822
commit 6fdde63a63
25 changed files with 3542 additions and 4458 deletions
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21
src/gui/graphics/effects/juce_DropShadowEffect.cpp
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@ -65,12 +65,10 @@ void DropShadowEffect::applyEffect (Image& image, Graphics& g)
const int w = image.getWidth();
const int h = image.getHeight();
int lineStride, pixelStride;
const PixelARGB* srcPixels = (const PixelARGB*) image.lockPixelDataReadOnly (0, 0, image.getWidth(), image.getHeight(), lineStride, pixelStride);
Image shadowImage (Image::SingleChannel, w, h, false);
int destStride, destPixelStride;
uint8* const shadowChannel = (uint8*) shadowImage.lockPixelDataReadWrite (0, 0, w, h, destStride, destPixelStride);
const Image::BitmapData srcData (image, 0, 0, w, h);
const Image::BitmapData destData (shadowImage, 0, 0, w, h, true);
const int filter = roundFloatToInt (63.0f / radius);
const int radiusMinus1 = roundFloatToInt ((radius - 1.0f) * 63.0f);
@ -79,23 +77,23 @@ void DropShadowEffect::applyEffect (Image& image, Graphics& g)
{
int shadowAlpha = 0;
const PixelARGB* src = srcPixels + x;
uint8* shadowPix = shadowChannel + x;
const PixelARGB* src = ((const PixelARGB*) srcData.data) + x;
uint8* shadowPix = destData.data + x;
for (int y = h; --y >= 0;)
{
shadowAlpha = ((shadowAlpha * radiusMinus1 + (src->getAlpha() << 6)) * filter) >> 12;
*shadowPix = (uint8) shadowAlpha;
src = (const PixelARGB*) (((const uint8*) src) + lineStride);
shadowPix += destStride;
src = (const PixelARGB*) (((const uint8*) src) + srcData.lineStride);
shadowPix += destData.lineStride;
}
}
for (int y = h; --y >= 0;)
{
int shadowAlpha = 0;
uint8* shadowPix = shadowChannel + y * destStride;
uint8* shadowPix = destData.getLinePointer (y);
for (int x = w; --x >= 0;)
{
@ -104,9 +102,6 @@ void DropShadowEffect::applyEffect (Image& image, Graphics& g)
}
}
image.releasePixelDataReadOnly (srcPixels);
shadowImage.releasePixelDataReadWrite (shadowChannel);
g.setColour (Colours::black.withAlpha (opacity));
g.drawImageAt (&shadowImage, offsetX, offsetY, true);