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refactor: break out stride calculation to new function

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Daniel Eklöf 2019-08-18 17:59:43 +02:00
parent 8aa53d1508
commit 33b5210a6a
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3 changed files with 13 additions and 6 deletions
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font.c
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@ -10,6 +10,7 @@
#define LOG_MODULE "font"
#define LOG_ENABLE_DBG 0
#include "log.h"
#include "stride.h"
#define min(x, y) ((x) < (y) ? (x) : (y))
@ -392,8 +393,7 @@ glyph_for_wchar(struct font *font, wchar_t wc, struct glyph *glyph)
break;
}
/* Calculate stride. Copied from cairoint.h:CAIRO_STRIDE_FOR_WIDTH_BPP */
int stride = (((PIXMAN_FORMAT_BPP(pix_format) * width + 7) / 8 + 4 - 1) & -4);
int stride = stride_for_format_and_width(pix_format, width);
assert(stride >= bitmap->pitch);
uint8_t *data = malloc(rows * stride);