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-rw-r--r--src/include/ui/qemu-pixman.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/include/ui/qemu-pixman.h b/src/include/ui/qemu-pixman.h
new file mode 100644
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+++ b/src/include/ui/qemu-pixman.h
@@ -0,0 +1,80 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_PIXMAN_H
+#define QEMU_PIXMAN_H
+
+/* pixman-0.16.0 headers have a redundant declaration */
+#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wredundant-decls"
+#endif
+#include <pixman.h>
+#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
+#pragma GCC diagnostic pop
+#endif
+
+#include "qemu/typedefs.h"
+
+/*
+ * pixman image formats are defined to be native endian,
+ * that means host byte order on qemu. So we go define
+ * fixed formats here for cases where it is needed, like
+ * feeding libjpeg / libpng and writing screenshots.
+ */
+
+#ifdef HOST_WORDS_BIGENDIAN
+# define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8
+# define PIXMAN_BE_x8r8g8b8 PIXMAN_x8r8g8b8
+# define PIXMAN_BE_a8r8g8b8 PIXMAN_a8r8g8b8
+# define PIXMAN_BE_b8g8r8x8 PIXMAN_b8g8r8x8
+# define PIXMAN_BE_b8g8r8a8 PIXMAN_b8g8r8a8
+# define PIXMAN_BE_r8g8b8x8 PIXMAN_r8g8b8x8
+# define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8
+# define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8
+# define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8
+# define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8
+#else
+# define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
+# define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8
+# define PIXMAN_BE_a8r8g8b8 PIXMAN_b8g8r8a8
+# define PIXMAN_BE_b8g8r8x8 PIXMAN_x8r8g8b8
+# define PIXMAN_BE_b8g8r8a8 PIXMAN_a8r8g8b8
+# define PIXMAN_BE_r8g8b8x8 PIXMAN_x8b8g8r8
+# define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8
+# define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8
+# define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8
+# define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8
+#endif
+
+/* -------------------------------------------------------------------- */
+
+PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
+pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
+int qemu_pixman_get_type(int rshift, int gshift, int bshift);
+pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
+bool qemu_pixman_check_format(DisplayChangeListener *dcl,
+ pixman_format_code_t format);
+
+pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
+ int width);
+void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
+ int width, int x, int y);
+void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
+ pixman_image_t *linebuf);
+pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
+ pixman_image_t *image);
+void qemu_pixman_image_unref(pixman_image_t *image);
+
+pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
+pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
+ unsigned int ch);
+void qemu_pixman_glyph_render(pixman_image_t *glyph,
+ pixman_image_t *surface,
+ pixman_color_t *fgcol,
+ pixman_color_t *bgcol,
+ int x, int y, int cw, int ch);
+
+#endif /* QEMU_PIXMAN_H */
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