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tools/libtxt/font.c (do_draw): we can now have negative coordinates; clip them too
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@ -256,10 +256,10 @@ static void do_draw(uint8_t *canvas, int width, int heigth,
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int ix, iy, xt;
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for (ix = 0; ix != w; ix++) {
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if (x+ix >= width)
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if (x+ix < 0 || x+ix >= width)
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continue;
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for (iy = 0; iy != h; iy++) {
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if (y+iy >= heigth)
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if (y+iy < 0 || y+iy >= heigth)
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continue;
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xt = ox+ix;
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if (img->data[(oy+iy)*img->span+(xt >> 3)] &
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