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Merge pull request #623 from siro20/fix_pitch

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nuklear_rawfb: Use pitch in offset calculation
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Micha Mettke 2018-02-04 12:49:00 -08:00 committed by GitHub
commit cb8ee01456
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 4 deletions
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13
demo/x11_rawfb/nuklear_rawfb.h
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@ -90,9 +90,11 @@ nk_rawfb_setpixel(const struct rawfb_context *rawfb,
const short x0, const short y0, const struct nk_color col)
{
unsigned int c = nk_color_from_byte(&col.r);
unsigned int *ptr = (unsigned int *)rawfb->fb.pixels;
unsigned char *pixels = rawfb->fb.pixels;
unsigned int *ptr;
ptr += y0 * rawfb->fb.w;
pixels += y0 * rawfb->fb.pitch;
ptr = (unsigned int *)pixels;
ptr += x0;
if (y0 < rawfb->scissors.h && y0 >= rawfb->scissors.y &&
@ -109,8 +111,11 @@ nk_rawfb_line_horizontal(const struct rawfb_context *rawfb,
* The caller has to make sure it does no exceed bounds. */
unsigned int i, n;
unsigned int c[16];
unsigned int *ptr = (unsigned int *)rawfb->fb.pixels;
ptr += y * rawfb->fb.w;
unsigned char *pixels = rawfb->fb.pixels;
unsigned int *ptr;
pixels += y * rawfb->fb.pitch;
ptr = (unsigned int *)pixels;
ptr += x0;
n = x1 - x0;