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d45623c2db
For full context, read https://gitlab.freedesktop.org/cairo/cairo/-/issues/479 TL;DR, cairo’s pc file adds `/cairo` to CFLAGS. So namespace cairo shouldn’t be used.
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
#include <stdint.h>
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#include <cairo.h>
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#include "cairo_util.h"
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void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
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cairo_set_source_rgba(cairo,
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(color >> (3*8) & 0xFF) / 255.0,
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(color >> (2*8) & 0xFF) / 255.0,
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(color >> (1*8) & 0xFF) / 255.0,
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(color >> (0*8) & 0xFF) / 255.0);
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}
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cairo_subpixel_order_t to_cairo_subpixel_order(enum wl_output_subpixel subpixel) {
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switch (subpixel) {
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case WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB:
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return CAIRO_SUBPIXEL_ORDER_RGB;
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case WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR:
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return CAIRO_SUBPIXEL_ORDER_BGR;
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case WL_OUTPUT_SUBPIXEL_VERTICAL_RGB:
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return CAIRO_SUBPIXEL_ORDER_VRGB;
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case WL_OUTPUT_SUBPIXEL_VERTICAL_BGR:
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return CAIRO_SUBPIXEL_ORDER_VBGR;
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default:
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return CAIRO_SUBPIXEL_ORDER_DEFAULT;
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}
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return CAIRO_SUBPIXEL_ORDER_DEFAULT;
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}
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cairo_surface_t *cairo_image_surface_scale(cairo_surface_t *image,
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int width, int height) {
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int image_width = cairo_image_surface_get_width(image);
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int image_height = cairo_image_surface_get_height(image);
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cairo_surface_t *new =
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cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
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cairo_t *cairo = cairo_create(new);
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cairo_scale(cairo, (double)width / image_width,
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(double)height / image_height);
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cairo_set_source_surface(cairo, image, 0, 0);
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cairo_paint(cairo);
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cairo_destroy(cairo);
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return new;
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}
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