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DMA used for ARGB4444 bitmaps

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This commit is contained in:
Bertrand Songis
2016-02-28 19:37:50 +01:00
parent a495885472
commit 806d547ced
4 changed files with 68 additions and 23 deletions
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radio/src/gui/horus/bitmapbuffer.h
+2 -16
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@@ -162,14 +162,7 @@ class BitmapBuffer: public BitmapBufferBase<uint16_t>
if (y + h > height) {
h = height - y;
}
if (srcw == w) {
DMACopyBitmap(data, width, x, y, &bmp->data[srcw*srcy], srcw, h);
}
else {
for (int i=0; i<h; i++) {
DMACopyBitmap(data, width, x, y+i, &bmp->data[srcw*(srcy+i)+srcx], w, 1);
}
}
DMACopyBitmap(data, width, x, y, bmp->data, srcw, srcx, srcy, w, h);
}
else {
int scaledw = w * scale;
@@ -218,14 +211,7 @@ class BitmapBuffer: public BitmapBufferBase<uint16_t>
return;
}
for (coord_t line=0; line<height; line++) {
display_t * p = getPixelPtr(x, y+line);
const uint8_t * q = ((uint8_t *)bmp->data) + line*width*2;
for (coord_t col=0; col<width; col++) {
drawAlphaPixel(p, q[1] >> 4, ((q[1] & 0x0f) << 12) + ((q[0] & 0xf0) << 3) + ((q[0] & 0x0f) << 1));
p++; q+=2;
}
}
DMACopyAlphaBitmap(data, this->width, x, y, bmp->data, width, height);
}
};