#include "pixman-compiler.h"
-/*
- * Various useful macros
- */
-#ifndef FALSE
-#define FALSE 0
-#endif
-
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-/* Integer division that rounds towards -infinity */
-#define DIV(a,b) ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
- ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
-
-/* Modulus that produces the remainder wrt. DIV */
-#define MOD(a,b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
-
-#define CLIP(a,b,c) ((a) < (b) ? (b) : ((a) > (c) ? (c) : (a)))
-
-#ifndef MIN
-# define MIN(a,b) ((a < b)? a : b)
-#endif
-
-#ifndef MAX
-# define MAX(a,b) ((a > b)? a : b)
-#endif
-
#undef DEBUG
#define DEBUG 0
-/*
- * Utilities
- */
-
-/* Memory allocation helpers */
-void *pixman_malloc_ab (unsigned int n, unsigned int b);
-void *pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
-pixman_bool_t pixman_multiply_overflows_int (unsigned int a, unsigned int b);
-pixman_bool_t pixman_addition_overflows_int (unsigned int a, unsigned int b);
-
-/* Compositing utilities */
-pixman_bool_t
-_pixman_run_fast_path (const pixman_fast_path_t *paths,
- pixman_implementation_t *imp,
- pixman_op_t op,
- pixman_image_t *src,
- pixman_image_t *mask,
- pixman_image_t *dest,
- int32_t src_x,
- int32_t src_y,
- int32_t mask_x,
- int32_t mask_y,
- int32_t dest_x,
- int32_t dest_y,
- int32_t width,
- int32_t height);
-
-void
-_pixman_walk_composite_region (pixman_implementation_t *imp,
- pixman_op_t op,
- pixman_image_t * pSrc,
- pixman_image_t * pMask,
- pixman_image_t * pDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height,
- pixman_composite_func_t compositeRect);
-
#if DEBUG
#define return_if_fail(expr) \
pixman_bool_t pixman_region16_copy_from_region32 (pixman_region16_t *dst,
pixman_region32_t *src);
+
/*
* Implementations
*/
void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
-/* These "formats" both have depth 0, so they
- * will never clash with any real ones
- */
-#define PIXMAN_null PIXMAN_FORMAT(0,0,0,0,0,0)
-#define PIXMAN_solid PIXMAN_FORMAT(0,1,0,0,0,0)
-
-#define NEED_COMPONENT_ALPHA (1 << 0)
-#define NEED_PIXBUF (1 << 1)
-#define NEED_SOLID_MASK (1 << 2)
-
-typedef struct
-{
- pixman_op_t op;
- pixman_format_code_t src_format;
- pixman_format_code_t mask_format;
- pixman_format_code_t dest_format;
- pixman_composite_func_t func;
- uint32_t flags;
-} pixman_fast_path_t;
-
struct pixman_implementation_t
{
pixman_implementation_t * toplevel;
+
+/*
+ * Utilities
+ */
+
+/* These "formats" both have depth 0, so they
+ * will never clash with any real ones
+ */
+#define PIXMAN_null PIXMAN_FORMAT(0,0,0,0,0,0)
+#define PIXMAN_solid PIXMAN_FORMAT(0,1,0,0,0,0)
+
+#define NEED_COMPONENT_ALPHA (1 << 0)
+#define NEED_PIXBUF (1 << 1)
+#define NEED_SOLID_MASK (1 << 2)
+
+typedef struct
+{
+ pixman_op_t op;
+ pixman_format_code_t src_format;
+ pixman_format_code_t mask_format;
+ pixman_format_code_t dest_format;
+ pixman_composite_func_t func;
+ uint32_t flags;
+} pixman_fast_path_t;
+
+/* Memory allocation helpers */
+void *pixman_malloc_ab (unsigned int n, unsigned int b);
+void *pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
+pixman_bool_t pixman_multiply_overflows_int (unsigned int a, unsigned int b);
+pixman_bool_t pixman_addition_overflows_int (unsigned int a, unsigned int b);
+
+/* Compositing utilities */
+pixman_bool_t
+_pixman_run_fast_path (const pixman_fast_path_t *paths,
+ pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t *src,
+ pixman_image_t *mask,
+ pixman_image_t *dest,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height);
+
+void
+_pixman_walk_composite_region (pixman_implementation_t *imp,
+ pixman_op_t op,
+ pixman_image_t * pSrc,
+ pixman_image_t * pMask,
+ pixman_image_t * pDst,
+ int16_t xSrc,
+ int16_t ySrc,
+ int16_t xMask,
+ int16_t yMask,
+ int16_t xDst,
+ int16_t yDst,
+ uint16_t width,
+ uint16_t height,
+ pixman_composite_func_t compositeRect);
+
+/*
+ * Various useful macros
+ */
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+/* Integer division that rounds towards -infinity */
+#define DIV(a,b) ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
+ ((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
+
+/* Modulus that produces the remainder wrt. DIV */
+#define MOD(a,b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
+
+#define CLIP(a,b,c) ((a) < (b) ? (b) : ((a) > (c) ? (c) : (a)))
+
+#ifndef MIN
+# define MIN(a,b) ((a < b)? a : b)
+#endif
+
+#ifndef MAX
+# define MAX(a,b) ((a > b)? a : b)
+#endif
+
+
#ifdef PIXMAN_TIMERS
/*
* Timers
}
}
-/**
- * pixman_version_string:
- *
- * Returns the version of the pixman library as a human-readable string
- * of the form "X.Y.Z".
- *
- * See also pixman_version() as well as the compile-time equivalents
- * %PIXMAN_VERSION_STRING and %PIXMAN_VERSION.
- *
- * Return value: a string containing the version.
- **/
-PIXMAN_EXPORT const char*
-pixman_version_string (void)
-{
- return PIXMAN_VERSION_STRING;
-}
-
-/**
- * pixman_format_supported_source:
- * @format: A pixman_format_code_t format
- *
- * Return value: whether the provided format code is a supported
- * format for a pixman surface used as a source in
- * rendering.
- *
- * Currently, all pixman_format_code_t values are supported.
- **/
-PIXMAN_EXPORT pixman_bool_t
-pixman_format_supported_source (pixman_format_code_t format)
-{
- switch (format) {
- /* 32 bpp formats */
- case PIXMAN_a2b10g10r10:
- case PIXMAN_x2b10g10r10:
- case PIXMAN_a8r8g8b8:
- case PIXMAN_x8r8g8b8:
- case PIXMAN_a8b8g8r8:
- case PIXMAN_x8b8g8r8:
- case PIXMAN_b8g8r8a8:
- case PIXMAN_b8g8r8x8:
- case PIXMAN_r8g8b8:
- case PIXMAN_b8g8r8:
- case PIXMAN_r5g6b5:
- case PIXMAN_b5g6r5:
- /* 16 bpp formats */
- case PIXMAN_a1r5g5b5:
- case PIXMAN_x1r5g5b5:
- case PIXMAN_a1b5g5r5:
- case PIXMAN_x1b5g5r5:
- case PIXMAN_a4r4g4b4:
- case PIXMAN_x4r4g4b4:
- case PIXMAN_a4b4g4r4:
- case PIXMAN_x4b4g4r4:
- /* 8bpp formats */
- case PIXMAN_a8:
- case PIXMAN_r3g3b2:
- case PIXMAN_b2g3r3:
- case PIXMAN_a2r2g2b2:
- case PIXMAN_a2b2g2r2:
- case PIXMAN_c8:
- case PIXMAN_g8:
- case PIXMAN_x4a4:
- /* Collides with PIXMAN_c8
- case PIXMAN_x4c4:
- */
- /* Collides with PIXMAN_g8
- case PIXMAN_x4g4:
- */
- /* 4bpp formats */
- case PIXMAN_a4:
- case PIXMAN_r1g2b1:
- case PIXMAN_b1g2r1:
- case PIXMAN_a1r1g1b1:
- case PIXMAN_a1b1g1r1:
- case PIXMAN_c4:
- case PIXMAN_g4:
- /* 1bpp formats */
- case PIXMAN_a1:
- case PIXMAN_g1:
- /* YUV formats */
- case PIXMAN_yuy2:
- case PIXMAN_yv12:
- return TRUE;
-
- default:
- return FALSE;
- }
-}
-
-/**
- * pixman_format_supported_destination:
- * @format: A pixman_format_code_t format
- *
- * Return value: whether the provided format code is a supported
- * format for a pixman surface used as a destination in
- * rendering.
- *
- * Currently, all pixman_format_code_t values are supported
- * except for the YUV formats.
- **/
-PIXMAN_EXPORT pixman_bool_t
-pixman_format_supported_destination (pixman_format_code_t format)
-{
- /* YUV formats cannot be written to at the moment */
- if (format == PIXMAN_yuy2 || format == PIXMAN_yv12)
- return FALSE;
-
- return pixman_format_supported_source (format);
-}
-
static void
walk_region_internal (pixman_implementation_t *imp,
pixman_op_t op,
return PIXMAN_VERSION;
}
+/**
+ * pixman_version_string:
+ *
+ * Returns the version of the pixman library as a human-readable string
+ * of the form "X.Y.Z".
+ *
+ * See also pixman_version() as well as the compile-time equivalents
+ * %PIXMAN_VERSION_STRING and %PIXMAN_VERSION.
+ *
+ * Return value: a string containing the version.
+ **/
+PIXMAN_EXPORT const char*
+pixman_version_string (void)
+{
+ return PIXMAN_VERSION_STRING;
+}
+
+/**
+ * pixman_format_supported_source:
+ * @format: A pixman_format_code_t format
+ *
+ * Return value: whether the provided format code is a supported
+ * format for a pixman surface used as a source in
+ * rendering.
+ *
+ * Currently, all pixman_format_code_t values are supported.
+ **/
+PIXMAN_EXPORT pixman_bool_t
+pixman_format_supported_source (pixman_format_code_t format)
+{
+ switch (format) {
+ /* 32 bpp formats */
+ case PIXMAN_a2b10g10r10:
+ case PIXMAN_x2b10g10r10:
+ case PIXMAN_a8r8g8b8:
+ case PIXMAN_x8r8g8b8:
+ case PIXMAN_a8b8g8r8:
+ case PIXMAN_x8b8g8r8:
+ case PIXMAN_b8g8r8a8:
+ case PIXMAN_b8g8r8x8:
+ case PIXMAN_r8g8b8:
+ case PIXMAN_b8g8r8:
+ case PIXMAN_r5g6b5:
+ case PIXMAN_b5g6r5:
+ /* 16 bpp formats */
+ case PIXMAN_a1r5g5b5:
+ case PIXMAN_x1r5g5b5:
+ case PIXMAN_a1b5g5r5:
+ case PIXMAN_x1b5g5r5:
+ case PIXMAN_a4r4g4b4:
+ case PIXMAN_x4r4g4b4:
+ case PIXMAN_a4b4g4r4:
+ case PIXMAN_x4b4g4r4:
+ /* 8bpp formats */
+ case PIXMAN_a8:
+ case PIXMAN_r3g3b2:
+ case PIXMAN_b2g3r3:
+ case PIXMAN_a2r2g2b2:
+ case PIXMAN_a2b2g2r2:
+ case PIXMAN_c8:
+ case PIXMAN_g8:
+ case PIXMAN_x4a4:
+ /* Collides with PIXMAN_c8
+ case PIXMAN_x4c4:
+ */
+ /* Collides with PIXMAN_g8
+ case PIXMAN_x4g4:
+ */
+ /* 4bpp formats */
+ case PIXMAN_a4:
+ case PIXMAN_r1g2b1:
+ case PIXMAN_b1g2r1:
+ case PIXMAN_a1r1g1b1:
+ case PIXMAN_a1b1g1r1:
+ case PIXMAN_c4:
+ case PIXMAN_g4:
+ /* 1bpp formats */
+ case PIXMAN_a1:
+ case PIXMAN_g1:
+ /* YUV formats */
+ case PIXMAN_yuy2:
+ case PIXMAN_yv12:
+ return TRUE;
+
+ default:
+ return FALSE;
+ }
+}
+
+/**
+ * pixman_format_supported_destination:
+ * @format: A pixman_format_code_t format
+ *
+ * Return value: whether the provided format code is a supported
+ * format for a pixman surface used as a destination in
+ * rendering.
+ *
+ * Currently, all pixman_format_code_t values are supported
+ * except for the YUV formats.
+ **/
+PIXMAN_EXPORT pixman_bool_t
+pixman_format_supported_destination (pixman_format_code_t format)
+{
+ /* YUV formats cannot be written to at the moment */
+ if (format == PIXMAN_yuy2 || format == PIXMAN_yv12)
+ return FALSE;
+
+ return pixman_format_supported_source (format);
+}
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