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Image: GIF: Call bitmap format conversion before/after decode.

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Currently a no-op, because we decode to the default format
and no front end requests anything but the default format.
This commit is contained in:
Michael Drake 2022-03-26 14:24:04 +00:00
parent 27a89439a2
commit e7a355bf8d
1 changed files with 36 additions and 2 deletions
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38
content/handlers/image/gif.c
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@ -49,6 +49,7 @@
#include "content/content_protected.h"
#include "content/content_factory.h"
#include "desktop/gui_internal.h"
#include "desktop/bitmap.h"
#include "image/image.h"
#include "image/gif.h"
@ -79,6 +80,39 @@ static inline nserror gif__nsgif_error_to_ns(nsgif_error gif_res)
return err;
}
/**
* Get the image buffer from a bitmap
*
* Note that all pixels must be 4-byte aligned.
*
* \param bitmap The bitmap to get the buffer from.
* \return The image buffer or NULL if there is none.
*/
static unsigned char *nsgif__get_buffer(void *bitmap)
{
bitmap_fmt_t gif_fmt = {
.layout = BITMAP_LAYOUT_R8G8B8A8,
};
bitmap_format_from_client(bitmap, &gif_fmt);
return guit->bitmap->get_buffer(bitmap);
}
/**
* Marks a bitmap as modified.
*
* \param bitmap The bitmap set as modified.
*/
static void nsgif__modified(void *bitmap)
{
bitmap_fmt_t gif_fmt = {
.layout = BITMAP_LAYOUT_R8G8B8A8,
};
bitmap_format_to_client(bitmap, &gif_fmt);
guit->bitmap->modified(bitmap);
}
/**
* Callback for libnsgif; forwards the call to bitmap_create()
*
@ -97,10 +131,10 @@ static nserror gif_create_gif_data(gif_content *c)
const nsgif_bitmap_cb_vt gif_bitmap_callbacks = {
.create = gif_bitmap_create,
.destroy = guit->bitmap->destroy,
.get_buffer = guit->bitmap->get_buffer,
.get_buffer = nsgif__get_buffer,
.set_opaque = guit->bitmap->set_opaque,
.test_opaque = guit->bitmap->test_opaque,
.modified = guit->bitmap->modified
.modified = nsgif__modified
};
gif_res = nsgif_create(&gif_bitmap_callbacks,