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Include height check parameter while scaling #20

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Include height check parameter while scaling #20

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15 changes: 12 additions & 3 deletions src/fbgraphics.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1601,10 +1601,19 @@ void fbg_imageEx(struct _fbg *fbg, struct _fbg_img *img, int x, int y, float sx,
int h2 = (float)(ch + cy) * sy;
int i, j;

int d = w2 - cx2;
int dw = w2 - cx2;
int dh = h2 - cy2;

if (d >= (fbg->width - x)) {
w2 -= (d - (fbg->width - x));
if (dw >= (fbg->width - x)) {
w2 -= (dw - (fbg->width - x));
printf("Warning: Resulting width is greater than framebuffer width. \
Image will be compromised\n");
}

if (dh >= (fbg->height - y)) {
h2 -= (dh - (fbg->height - y));
printf("Warning: Resulting height is greater than framebuffer height. \
Image will be compromised\n");
}

unsigned char *pix_pointer = (unsigned char *)(fbg->back_buffer + (y * fbg->line_length + x * fbg->components));
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