Add frame_config.background_color
diff --git a/internal/cgen/base/image-public.h b/internal/cgen/base/image-public.h
index 948075e..1005800 100644
--- a/internal/cgen/base/image-public.h
+++ b/internal/cgen/base/image-public.h
@@ -729,6 +729,7 @@
uint64_t io_position;
wuffs_base__animation_blend blend;
wuffs_base__animation_disposal disposal;
+ wuffs_base__color_u32_argb_premul background_color;
} private_impl;
#ifdef __cplusplus
@@ -737,7 +738,8 @@
uint64_t index,
uint64_t io_position,
wuffs_base__animation_blend blend,
- wuffs_base__animation_disposal disposal);
+ wuffs_base__animation_disposal disposal,
+ wuffs_base__color_u32_argb_premul background_color);
inline wuffs_base__rect_ie_u32 bounds() const;
inline uint32_t width() const;
inline uint32_t height() const;
@@ -746,6 +748,7 @@
inline uint64_t io_position() const;
inline wuffs_base__animation_blend blend() const;
inline wuffs_base__animation_disposal disposal() const;
+ inline wuffs_base__color_u32_argb_premul background_color() const;
#endif // __cplusplus
} wuffs_base__frame_config;
@@ -763,13 +766,15 @@
}
static inline void //
-wuffs_base__frame_config__update(wuffs_base__frame_config* c,
- wuffs_base__rect_ie_u32 bounds,
- wuffs_base__flicks duration,
- uint64_t index,
- uint64_t io_position,
- wuffs_base__animation_blend blend,
- wuffs_base__animation_disposal disposal) {
+wuffs_base__frame_config__update(
+ wuffs_base__frame_config* c,
+ wuffs_base__rect_ie_u32 bounds,
+ wuffs_base__flicks duration,
+ uint64_t index,
+ uint64_t io_position,
+ wuffs_base__animation_blend blend,
+ wuffs_base__animation_disposal disposal,
+ wuffs_base__color_u32_argb_premul background_color) {
if (!c) {
return;
}
@@ -780,6 +785,7 @@
c->private_impl.io_position = io_position;
c->private_impl.blend = blend;
c->private_impl.disposal = disposal;
+ c->private_impl.background_color = background_color;
}
static inline wuffs_base__rect_ie_u32 //
@@ -841,17 +847,24 @@
return c ? c->private_impl.disposal : 0;
}
+static inline wuffs_base__color_u32_argb_premul //
+wuffs_base__frame_config__background_color(const wuffs_base__frame_config* c) {
+ return c ? c->private_impl.background_color : 0;
+}
+
#ifdef __cplusplus
inline void //
-wuffs_base__frame_config::update(wuffs_base__rect_ie_u32 bounds,
- wuffs_base__flicks duration,
- uint64_t index,
- uint64_t io_position,
- wuffs_base__animation_blend blend,
- wuffs_base__animation_disposal disposal) {
+wuffs_base__frame_config::update(
+ wuffs_base__rect_ie_u32 bounds,
+ wuffs_base__flicks duration,
+ uint64_t index,
+ uint64_t io_position,
+ wuffs_base__animation_blend blend,
+ wuffs_base__animation_disposal disposal,
+ wuffs_base__color_u32_argb_premul background_color) {
wuffs_base__frame_config__update(this, bounds, duration, index, io_position,
- blend, disposal);
+ blend, disposal, background_color);
}
inline wuffs_base__rect_ie_u32 //
@@ -894,6 +907,11 @@
return wuffs_base__frame_config__disposal(this);
}
+inline wuffs_base__color_u32_argb_premul //
+wuffs_base__frame_config::background_color() const {
+ return wuffs_base__frame_config__background_color(this);
+}
+
#endif // __cplusplus
// --------
diff --git a/internal/cgen/data.go b/internal/cgen/data.go
index f05413e..49a417e 100644
--- a/internal/cgen/data.go
+++ b/internal/cgen/data.go
@@ -136,12 +136,13 @@
"" +
"// --------\n\n// wuffs_base__animation_disposal encodes, for an animated image, how to\n// dispose of a frame after displaying it:\n// - None means to draw the next frame on top of this one.\n// - Restore Background means to clear the frame's dirty rectangle to \"the\n// background color\" (in practice, this means transparent black) before\n// drawing the next frame.\n// - Restore Previous means to undo the current frame, so that the next frame\n// is drawn on top of the previous one.\ntypedef uint8_t wuffs_base__animation_disposal;\n\n#define WUFFS_BASE__ANIMATION_DISPOSAL__NONE ((wuffs_base__animation_disposal)0)\n#define WUFFS_BASE__ANIMATION_DISPOSAL__RESTORE_BACKGROUND \\\n ((wuffs_base__animation_disposal)1)\n#define WUFFS_BASE__ANIMATION_DISPOSAL__RESTORE_PREVIOUS \\\n ((wuffs_base__animation_disposal)2)\n\n" +
"" +
- "// --------\n\ntypedef struct {\n // Do not access the private_impl's fields directly. There is no API/ABI\n // compatibility or safety guarantee if you do so.\n struct {\n wuffs_base__rect_ie_u32 bounds;\n wuffs_base__flicks duration;\n uint64_t index;\n uint64_t io_position;\n wuffs_base__animation_blend blend;\n wuffs_base__animation_disposal disposal;\n } private_impl;\n\n#ifdef __cplusplus\n inline void update(wuffs_base__rect_ie_u32 bounds,\n wuffs_base__flicks duration,\n uint64_t index,\n uint64_t io_position,\n wuffs_base__animation_blend blend,\n wuffs_base__animation_disposal disposal);\n inline wuffs_base__rect_ie_u32 bounds() const;\n inline uint32_t width() const;\n inline uint32_t height() const;\n inline wuffs_base__flicks duration() const;\n inline uint64_t index() const;\n inline uint64_t io_position() const;\n inline wuffs_base__animation_blend blend() const;\n inline wuffs_base__animation" +
- "_disposal disposal() const;\n#endif // __cplusplus\n\n} wuffs_base__frame_config;\n\nstatic inline wuffs_base__frame_config //\nwuffs_base__null_frame_config() {\n wuffs_base__frame_config ret;\n ret.private_impl.bounds = wuffs_base__make_rect_ie_u32(0, 0, 0, 0);\n ret.private_impl.duration = 0;\n ret.private_impl.index = 0;\n ret.private_impl.io_position = 0;\n ret.private_impl.blend = 0;\n ret.private_impl.disposal = 0;\n return ret;\n}\n\nstatic inline void //\nwuffs_base__frame_config__update(wuffs_base__frame_config* c,\n wuffs_base__rect_ie_u32 bounds,\n wuffs_base__flicks duration,\n uint64_t index,\n uint64_t io_position,\n wuffs_base__animation_blend blend,\n wuffs_base__animation_disposal disposal) {\n if (!c) {\n return;\n }\n\n c->private_impl.bounds = bounds;\n c->private_impl.duration = duration;\n c->private_impl.inde" +
- "x = index;\n c->private_impl.io_position = io_position;\n c->private_impl.blend = blend;\n c->private_impl.disposal = disposal;\n}\n\nstatic inline wuffs_base__rect_ie_u32 //\nwuffs_base__frame_config__bounds(const wuffs_base__frame_config* c) {\n if (c) {\n return c->private_impl.bounds;\n }\n\n wuffs_base__rect_ie_u32 ret;\n ret.min_incl_x = 0;\n ret.min_incl_y = 0;\n ret.max_excl_x = 0;\n ret.max_excl_y = 0;\n return ret;\n}\n\nstatic inline uint32_t //\nwuffs_base__frame_config__width(const wuffs_base__frame_config* c) {\n return c ? wuffs_base__rect_ie_u32__width(&c->private_impl.bounds) : 0;\n}\n\nstatic inline uint32_t //\nwuffs_base__frame_config__height(const wuffs_base__frame_config* c) {\n return c ? wuffs_base__rect_ie_u32__height(&c->private_impl.bounds) : 0;\n}\n\n// wuffs_base__frame_config__duration returns the amount of time to display\n// this frame. Zero means to display forever - a still (non-animated) image.\nstatic inline wuffs_base__flicks //\nwuffs_base__frame_config__duration(const wuffs_base__fra" +
- "me_config* c) {\n return c ? c->private_impl.duration : 0;\n}\n\n// wuffs_base__frame_config__index returns the index of this frame. The first\n// frame in an image has index 0, the second frame has index 1, and so on.\nstatic inline uint64_t //\nwuffs_base__frame_config__index(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.index : 0;\n}\n\n// wuffs_base__frame_config__io_position returns the I/O stream position before\n// the frame config.\nstatic inline uint64_t //\nwuffs_base__frame_config__io_position(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.io_position : 0;\n}\n\n// wuffs_base__frame_config__blend returns, for an animated image, how to blend\n// the transparent pixels of this frame with the existing canvas.\nstatic inline wuffs_base__animation_blend //\nwuffs_base__frame_config__blend(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.blend : 0;\n}\n\n// wuffs_base__frame_config__disposal returns, for an animated image, how to\n// dispose of this frame after displa" +
- "ying it.\nstatic inline wuffs_base__animation_disposal //\nwuffs_base__frame_config__disposal(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.disposal : 0;\n}\n\n#ifdef __cplusplus\n\ninline void //\nwuffs_base__frame_config::update(wuffs_base__rect_ie_u32 bounds,\n wuffs_base__flicks duration,\n uint64_t index,\n uint64_t io_position,\n wuffs_base__animation_blend blend,\n wuffs_base__animation_disposal disposal) {\n wuffs_base__frame_config__update(this, bounds, duration, index, io_position,\n blend, disposal);\n}\n\ninline wuffs_base__rect_ie_u32 //\nwuffs_base__frame_config::bounds() const {\n return wuffs_base__frame_config__bounds(this);\n}\n\ninline uint32_t //\nwuffs_base__frame_config::width() const {\n return wuffs_base__frame_config__width(this);\n}\n\ninline uint32_t //\nwuffs_base__frame_config::height() cons" +
- "t {\n return wuffs_base__frame_config__height(this);\n}\n\ninline wuffs_base__flicks //\nwuffs_base__frame_config::duration() const {\n return wuffs_base__frame_config__duration(this);\n}\n\ninline uint64_t //\nwuffs_base__frame_config::index() const {\n return wuffs_base__frame_config__index(this);\n}\n\ninline uint64_t //\nwuffs_base__frame_config::io_position() const {\n return wuffs_base__frame_config__io_position(this);\n}\n\ninline wuffs_base__animation_blend //\nwuffs_base__frame_config::blend() const {\n return wuffs_base__frame_config__blend(this);\n}\n\ninline wuffs_base__animation_disposal //\nwuffs_base__frame_config::disposal() const {\n return wuffs_base__frame_config__disposal(this);\n}\n\n#endif // __cplusplus\n\n" +
+ "// --------\n\ntypedef struct {\n // Do not access the private_impl's fields directly. There is no API/ABI\n // compatibility or safety guarantee if you do so.\n struct {\n wuffs_base__rect_ie_u32 bounds;\n wuffs_base__flicks duration;\n uint64_t index;\n uint64_t io_position;\n wuffs_base__animation_blend blend;\n wuffs_base__animation_disposal disposal;\n wuffs_base__color_u32_argb_premul background_color;\n } private_impl;\n\n#ifdef __cplusplus\n inline void update(wuffs_base__rect_ie_u32 bounds,\n wuffs_base__flicks duration,\n uint64_t index,\n uint64_t io_position,\n wuffs_base__animation_blend blend,\n wuffs_base__animation_disposal disposal,\n wuffs_base__color_u32_argb_premul background_color);\n inline wuffs_base__rect_ie_u32 bounds() const;\n inline uint32_t width() const;\n inline uint32_t height() const;\n inline wuffs_base__flicks duration() const;\n inline uint64_t index()" +
+ " const;\n inline uint64_t io_position() const;\n inline wuffs_base__animation_blend blend() const;\n inline wuffs_base__animation_disposal disposal() const;\n inline wuffs_base__color_u32_argb_premul background_color() const;\n#endif // __cplusplus\n\n} wuffs_base__frame_config;\n\nstatic inline wuffs_base__frame_config //\nwuffs_base__null_frame_config() {\n wuffs_base__frame_config ret;\n ret.private_impl.bounds = wuffs_base__make_rect_ie_u32(0, 0, 0, 0);\n ret.private_impl.duration = 0;\n ret.private_impl.index = 0;\n ret.private_impl.io_position = 0;\n ret.private_impl.blend = 0;\n ret.private_impl.disposal = 0;\n return ret;\n}\n\nstatic inline void //\nwuffs_base__frame_config__update(\n wuffs_base__frame_config* c,\n wuffs_base__rect_ie_u32 bounds,\n wuffs_base__flicks duration,\n uint64_t index,\n uint64_t io_position,\n wuffs_base__animation_blend blend,\n wuffs_base__animation_disposal disposal,\n wuffs_base__color_u32_argb_premul background_color) {\n if (!c) {\n return;\n }\n\n c->privat" +
+ "e_impl.bounds = bounds;\n c->private_impl.duration = duration;\n c->private_impl.index = index;\n c->private_impl.io_position = io_position;\n c->private_impl.blend = blend;\n c->private_impl.disposal = disposal;\n c->private_impl.background_color = background_color;\n}\n\nstatic inline wuffs_base__rect_ie_u32 //\nwuffs_base__frame_config__bounds(const wuffs_base__frame_config* c) {\n if (c) {\n return c->private_impl.bounds;\n }\n\n wuffs_base__rect_ie_u32 ret;\n ret.min_incl_x = 0;\n ret.min_incl_y = 0;\n ret.max_excl_x = 0;\n ret.max_excl_y = 0;\n return ret;\n}\n\nstatic inline uint32_t //\nwuffs_base__frame_config__width(const wuffs_base__frame_config* c) {\n return c ? wuffs_base__rect_ie_u32__width(&c->private_impl.bounds) : 0;\n}\n\nstatic inline uint32_t //\nwuffs_base__frame_config__height(const wuffs_base__frame_config* c) {\n return c ? wuffs_base__rect_ie_u32__height(&c->private_impl.bounds) : 0;\n}\n\n// wuffs_base__frame_config__duration returns the amount of time to display\n// this frame. Zero means to d" +
+ "isplay forever - a still (non-animated) image.\nstatic inline wuffs_base__flicks //\nwuffs_base__frame_config__duration(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.duration : 0;\n}\n\n// wuffs_base__frame_config__index returns the index of this frame. The first\n// frame in an image has index 0, the second frame has index 1, and so on.\nstatic inline uint64_t //\nwuffs_base__frame_config__index(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.index : 0;\n}\n\n// wuffs_base__frame_config__io_position returns the I/O stream position before\n// the frame config.\nstatic inline uint64_t //\nwuffs_base__frame_config__io_position(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.io_position : 0;\n}\n\n// wuffs_base__frame_config__blend returns, for an animated image, how to blend\n// the transparent pixels of this frame with the existing canvas.\nstatic inline wuffs_base__animation_blend //\nwuffs_base__frame_config__blend(const wuffs_base__frame_config* c) {\n return c ? c->p" +
+ "rivate_impl.blend : 0;\n}\n\n// wuffs_base__frame_config__disposal returns, for an animated image, how to\n// dispose of this frame after displaying it.\nstatic inline wuffs_base__animation_disposal //\nwuffs_base__frame_config__disposal(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.disposal : 0;\n}\n\nstatic inline wuffs_base__color_u32_argb_premul //\nwuffs_base__frame_config__background_color(const wuffs_base__frame_config* c) {\n return c ? c->private_impl.background_color : 0;\n}\n\n#ifdef __cplusplus\n\ninline void //\nwuffs_base__frame_config::update(\n wuffs_base__rect_ie_u32 bounds,\n wuffs_base__flicks duration,\n uint64_t index,\n uint64_t io_position,\n wuffs_base__animation_blend blend,\n wuffs_base__animation_disposal disposal,\n wuffs_base__color_u32_argb_premul background_color) {\n wuffs_base__frame_config__update(this, bounds, duration, index, io_position,\n blend, disposal, background_color);\n}\n\ninline wuffs_base__rect_ie_u32 //\nwuffs_b" +
+ "ase__frame_config::bounds() const {\n return wuffs_base__frame_config__bounds(this);\n}\n\ninline uint32_t //\nwuffs_base__frame_config::width() const {\n return wuffs_base__frame_config__width(this);\n}\n\ninline uint32_t //\nwuffs_base__frame_config::height() const {\n return wuffs_base__frame_config__height(this);\n}\n\ninline wuffs_base__flicks //\nwuffs_base__frame_config::duration() const {\n return wuffs_base__frame_config__duration(this);\n}\n\ninline uint64_t //\nwuffs_base__frame_config::index() const {\n return wuffs_base__frame_config__index(this);\n}\n\ninline uint64_t //\nwuffs_base__frame_config::io_position() const {\n return wuffs_base__frame_config__io_position(this);\n}\n\ninline wuffs_base__animation_blend //\nwuffs_base__frame_config::blend() const {\n return wuffs_base__frame_config__blend(this);\n}\n\ninline wuffs_base__animation_disposal //\nwuffs_base__frame_config::disposal() const {\n return wuffs_base__frame_config__disposal(this);\n}\n\ninline wuffs_base__color_u32_argb_premul //\nwuffs_base__frame_confi" +
+ "g::background_color() const {\n return wuffs_base__frame_config__background_color(this);\n}\n\n#endif // __cplusplus\n\n" +
"" +
"// --------\n\ntypedef struct {\n wuffs_base__pixel_config pixcfg;\n\n // Do not access the private_impl's fields directly. There is no API/ABI\n // compatibility or safety guarantee if you do so.\n struct {\n wuffs_base__table_u8 planes[WUFFS_BASE__PIXEL_FORMAT__NUM_PLANES_MAX];\n // TODO: color spaces.\n } private_impl;\n\n#ifdef __cplusplus\n inline wuffs_base__status set_from_slice(wuffs_base__pixel_config* pixcfg,\n wuffs_base__slice_u8 pixbuf_memory);\n inline wuffs_base__slice_u8 palette();\n inline wuffs_base__pixel_format pixel_format() const;\n inline wuffs_base__table_u8 plane(uint32_t p);\n#endif // __cplusplus\n\n} wuffs_base__pixel_buffer;\n\nstatic inline wuffs_base__pixel_buffer //\nwuffs_base__null_pixel_buffer() {\n wuffs_base__pixel_buffer ret;\n ret.pixcfg = wuffs_base__null_pixel_config();\n ret.private_impl.planes[0] = wuffs_base__null_table_u8();\n ret.private_impl.planes[1] = wuffs_base__null_table_u8();\n ret.private_impl.planes[2] = wuffs_base__nul" +
"l_table_u8();\n ret.private_impl.planes[3] = wuffs_base__null_table_u8();\n return ret;\n}\n\nstatic inline wuffs_base__status //\nwuffs_base__pixel_buffer__set_from_slice(wuffs_base__pixel_buffer* b,\n wuffs_base__pixel_config* pixcfg,\n wuffs_base__slice_u8 pixbuf_memory) {\n if (!b) {\n return wuffs_base__error__bad_receiver;\n }\n memset(b, 0, sizeof(*b));\n if (!pixcfg) {\n return wuffs_base__error__bad_argument;\n }\n if (wuffs_base__pixel_format__is_planar(pixcfg->private_impl.pixfmt)) {\n // TODO: support planar pixel formats, concious of pixel subsampling.\n return wuffs_base__error__bad_argument;\n }\n uint32_t bits_per_pixel =\n wuffs_base__pixel_format__bits_per_pixel(pixcfg->private_impl.pixfmt);\n if ((bits_per_pixel == 0) || ((bits_per_pixel % 8) != 0)) {\n return wuffs_base__error__bad_argument;\n }\n uint64_t bytes_per_pixel = bits_per_pixel / 8;\n\n uint8_t* ptr = pixbuf_memory.ptr;\n uint64_t len = pixbu" +
diff --git a/lang/builtin/builtin.go b/lang/builtin/builtin.go
index 96f7a62..8d088f4 100644
--- a/lang/builtin/builtin.go
+++ b/lang/builtin/builtin.go
@@ -307,7 +307,7 @@
"frame_config.io_position() u64",
"frame_config.update!(bounds rect_ie_u32, duration u64[..0x7FFFFFFFFFFFFFFF], " +
- "index u64, io_position u64, blend u8, disposal u8)",
+ "index u64, io_position u64, blend u8, disposal u8, background_color u32)",
// ---- image_config
diff --git a/release/c/wuffs-unsupported-snapshot.c b/release/c/wuffs-unsupported-snapshot.c
index 05634ca..9a3f3a2 100644
--- a/release/c/wuffs-unsupported-snapshot.c
+++ b/release/c/wuffs-unsupported-snapshot.c
@@ -2259,6 +2259,7 @@
uint64_t io_position;
wuffs_base__animation_blend blend;
wuffs_base__animation_disposal disposal;
+ wuffs_base__color_u32_argb_premul background_color;
} private_impl;
#ifdef __cplusplus
@@ -2267,7 +2268,8 @@
uint64_t index,
uint64_t io_position,
wuffs_base__animation_blend blend,
- wuffs_base__animation_disposal disposal);
+ wuffs_base__animation_disposal disposal,
+ wuffs_base__color_u32_argb_premul background_color);
inline wuffs_base__rect_ie_u32 bounds() const;
inline uint32_t width() const;
inline uint32_t height() const;
@@ -2276,6 +2278,7 @@
inline uint64_t io_position() const;
inline wuffs_base__animation_blend blend() const;
inline wuffs_base__animation_disposal disposal() const;
+ inline wuffs_base__color_u32_argb_premul background_color() const;
#endif // __cplusplus
} wuffs_base__frame_config;
@@ -2293,13 +2296,15 @@
}
static inline void //
-wuffs_base__frame_config__update(wuffs_base__frame_config* c,
- wuffs_base__rect_ie_u32 bounds,
- wuffs_base__flicks duration,
- uint64_t index,
- uint64_t io_position,
- wuffs_base__animation_blend blend,
- wuffs_base__animation_disposal disposal) {
+wuffs_base__frame_config__update(
+ wuffs_base__frame_config* c,
+ wuffs_base__rect_ie_u32 bounds,
+ wuffs_base__flicks duration,
+ uint64_t index,
+ uint64_t io_position,
+ wuffs_base__animation_blend blend,
+ wuffs_base__animation_disposal disposal,
+ wuffs_base__color_u32_argb_premul background_color) {
if (!c) {
return;
}
@@ -2310,6 +2315,7 @@
c->private_impl.io_position = io_position;
c->private_impl.blend = blend;
c->private_impl.disposal = disposal;
+ c->private_impl.background_color = background_color;
}
static inline wuffs_base__rect_ie_u32 //
@@ -2371,17 +2377,24 @@
return c ? c->private_impl.disposal : 0;
}
+static inline wuffs_base__color_u32_argb_premul //
+wuffs_base__frame_config__background_color(const wuffs_base__frame_config* c) {
+ return c ? c->private_impl.background_color : 0;
+}
+
#ifdef __cplusplus
inline void //
-wuffs_base__frame_config::update(wuffs_base__rect_ie_u32 bounds,
- wuffs_base__flicks duration,
- uint64_t index,
- uint64_t io_position,
- wuffs_base__animation_blend blend,
- wuffs_base__animation_disposal disposal) {
+wuffs_base__frame_config::update(
+ wuffs_base__rect_ie_u32 bounds,
+ wuffs_base__flicks duration,
+ uint64_t index,
+ uint64_t io_position,
+ wuffs_base__animation_blend blend,
+ wuffs_base__animation_disposal disposal,
+ wuffs_base__color_u32_argb_premul background_color) {
wuffs_base__frame_config__update(this, bounds, duration, index, io_position,
- blend, disposal);
+ blend, disposal, background_color);
}
inline wuffs_base__rect_ie_u32 //
@@ -2424,6 +2437,11 @@
return wuffs_base__frame_config__disposal(this);
}
+inline wuffs_base__color_u32_argb_premul //
+wuffs_base__frame_config::background_color() const {
+ return wuffs_base__frame_config__background_color(this);
+}
+
#endif // __cplusplus
// --------
@@ -9162,6 +9180,7 @@
wuffs_base__status status = NULL;
uint8_t v_blend = 0;
+ uint32_t v_background_color = 0;
uint32_t coro_susp_point = self->private_impl.p_decode_frame_config[0];
if (coro_susp_point) {
@@ -9199,8 +9218,11 @@
goto ok;
}
v_blend = 0;
+ v_background_color = 0;
if (!self->private_impl.f_gc_has_transparent_index) {
v_blend = 2;
+ v_background_color =
+ self->private_impl.f_background_color_u32_argb_premul;
}
if (a_dst != NULL) {
wuffs_base__frame_config__update(
@@ -9217,7 +9239,7 @@
((wuffs_base__flicks)(self->private_impl.f_gc_duration)),
self->private_impl.f_num_decoded_frame_configs_value,
self->private_impl.f_frame_config_io_position, v_blend,
- self->private_impl.f_gc_disposal);
+ self->private_impl.f_gc_disposal, v_background_color);
}
wuffs_base__u64__sat_add_indirect(
&self->private_impl.f_num_decoded_frame_configs_value, 1);
diff --git a/std/gif/decode_gif.wuffs b/std/gif/decode_gif.wuffs
index 04200c3..403729b 100644
--- a/std/gif/decode_gif.wuffs
+++ b/std/gif/decode_gif.wuffs
@@ -396,7 +396,8 @@
}
pub func decoder.decode_frame_config?(dst nptr base.frame_config, src base.io_reader) {
- var blend base.u8
+ var blend base.u8
+ var background_color base.u32
this.ignore_metadata = true
this.dirty_y.reset!()
@@ -419,8 +420,10 @@
}
blend = 0
+ background_color = 0
if not this.gc_has_transparent_index {
blend = 2 // 2 is WUFFS_BASE__ANIMATION_BLEND__OPAQUE.
+ background_color = this.background_color_u32_argb_premul
}
if args.dst <> nullptr {
@@ -433,7 +436,8 @@
index:this.num_decoded_frame_configs_value,
io_position:this.frame_config_io_position,
blend:blend,
- disposal:this.gc_disposal)
+ disposal:this.gc_disposal,
+ background_color:background_color)
}
this.num_decoded_frame_configs_value ~sat+= 1
