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[project @ 2006-02-21 20:49:11 by rjw]

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Allow any content to be used as a background. Simplify bitmap code.

svn path=/import/netsurf/; revision=2087
This commit is contained in:
Richard Wilson 2006-02-21 20:49:12 +00:00
parent b6c6d77772
commit 4cc85469cb
17 changed files with 237 additions and 90 deletions
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127
content/content.c
View File

@ -1,7 +1,7 @@
/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* http://www.opensource.org/licenses/gpl-license
* Copyright 2005 James Bursa <bursa@users.sourceforge.net>
*/
@ -174,6 +174,11 @@ struct handler_entry {
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour);
bool (*redraw_tiled)(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y);
void (*open)(struct content *c, struct browser_window *bw,
struct content *page, unsigned int index,
struct box *box,
@ -186,51 +191,54 @@ struct handler_entry {
* Must be ordered as enum ::content_type. */
static const struct handler_entry handler_map[] = {
{html_create, html_process_data, html_convert,
html_reformat, html_destroy, html_stop, html_redraw,
html_reformat, html_destroy, html_stop, html_redraw, 0,
html_open, html_close,
true},
{textplain_create, textplain_process_data, textplain_convert,
textplain_reformat, textplain_destroy, 0, textplain_redraw,
textplain_reformat, textplain_destroy, 0, textplain_redraw, 0,
0, 0, true},
{0, 0, css_convert, 0, css_destroy, 0, 0, 0, 0, false},
{0, 0, css_convert, 0, css_destroy, 0, 0, 0, 0, 0, false},
#ifdef WITH_JPEG
{0, 0, nsjpeg_convert,
0, nsjpeg_destroy, 0, nsjpeg_redraw, 0, 0, false},
{0, 0, nsjpeg_convert, 0, nsjpeg_destroy, 0,
nsjpeg_redraw, nsjpeg_redraw_tiled, 0, 0, false},
#endif
#ifdef WITH_GIF
{nsgif_create, 0, nsgif_convert,
0, nsgif_destroy, 0, nsgif_redraw, 0, 0, false},
{nsgif_create, 0, nsgif_convert, 0, nsgif_destroy, 0,
nsgif_redraw, nsgif_redraw_tiled, 0, 0, false},
#endif
#ifdef WITH_MNG
{nsmng_create, nsmng_process_data, nsmng_convert,
0, nsmng_destroy, 0, nsmng_redraw, 0, 0, false},
0, nsmng_destroy, 0, nsmng_redraw, nsmng_redraw_tiled,
0, 0, false},
{nsmng_create, nsmng_process_data, nsmng_convert,
0, nsmng_destroy, 0, nsmng_redraw, 0, 0, false},
0, nsmng_destroy, 0, nsmng_redraw, nsmng_redraw_tiled,
0, 0, false},
{nsmng_create, nsmng_process_data, nsmng_convert,
0, nsmng_destroy, 0, nsmng_redraw, 0, 0, false},
0, nsmng_destroy, 0, nsmng_redraw, nsmng_redraw_tiled,
0, 0, false},
#endif
#ifdef WITH_SPRITE
{0, 0, sprite_convert,
0, sprite_destroy, 0, sprite_redraw, 0, 0, false},
0, sprite_destroy, 0, sprite_redraw, 0, 0, 0, false},
#endif
#ifdef WITH_DRAW
{0, 0, draw_convert,
0, draw_destroy, 0, draw_redraw, 0, 0, false},
0, draw_destroy, 0, draw_redraw, 0, 0, 0, false},
#endif
#ifdef WITH_PLUGIN
{plugin_create, 0, plugin_convert,
plugin_reformat, plugin_destroy, 0, plugin_redraw,
plugin_reformat, plugin_destroy, 0, plugin_redraw, 0,
plugin_open, plugin_close,
true},
#endif
#ifdef WITH_THEME_INSTALL
{0, 0, 0, 0, 0, 0, 0, 0, 0, false},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, false},
#endif
#ifdef WITH_ARTWORKS
{0, 0, artworks_convert,
0, artworks_destroy, 0, artworks_redraw, 0, 0, false},
0, artworks_destroy, 0, artworks_redraw, 0, 0, 0, false},
#endif
{0, 0, 0, 0, 0, 0, 0, 0, 0, false}
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, false}
};
#define HANDLER_MAP_COUNT (sizeof(handler_map) / sizeof(handler_map[0]))
@ -415,8 +423,8 @@ struct content * content_get_ready(const char *url)
/**
* Initialise the content for the specified type.
*
* \param c content structure
* \param type content_type to initialise to
* \param c content structure
* \param type content_type to initialise to
* \param mime_type MIME-type string for this content
* \param params array of strings, ordered attribute, value, attribute, ..., 0
* \return true on success, false on error and error broadcast to users and
@ -536,7 +544,7 @@ void content_set_status(struct content *c, const char *status_message, ...)
*
* Calls the process_data function for the content.
*
* \param c content structure
* \param c content structure
* \param data new data to process
* \param size size of data
* \return true on success, false on error and error broadcast to users and
@ -822,8 +830,71 @@ bool content_redraw(struct content *c, int x, int y,
return true;
if (handler_map[c->type].redraw)
return handler_map[c->type].redraw(c, x, y, width, height,
clip_x0, clip_y0, clip_x1, clip_y1, scale,
background_colour);
clip_x0, clip_y0, clip_x1, clip_y1, scale,
background_colour);
return true;
}
/**
* Display content on screen with optional tiling.
*
* Calls the redraw_tile function for the content, or emulates it with the
* redraw function if it doesn't exist.
*/
bool content_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y)
{
int x0, y0, x1, y1;
assert(c != 0);
if (c->locked)
/* not safe to attempt redraw */
return true;
if (handler_map[c->type].redraw_tiled) {
return handler_map[c->type].redraw_tiled(c, x, y, width, height,
clip_x0, clip_y0, clip_x1, clip_y1, scale,
background_colour, repeat_x, repeat_y);
} else {
/* ensure we have a redrawable content */
if ((!handler_map[c->type].redraw) || (width == 0) ||
(height == 0))
return true;
/* simple optimisation for no repeat (common for backgrounds) */
if ((!repeat_x) || (!repeat_y))
return handler_map[c->type].redraw(c, x, y, width,
height, clip_x0, clip_y0, clip_x1, clip_y1,
scale, background_colour);
/* find the redraw boundaries to loop within*/
x0 = x;
if (repeat_x) {
for (; x0 > clip_x0; x0 -= width);
x1 = clip_x1;
} else {
x1 = x + 1;
}
y0 = y;
if (repeat_y) {
for (; y0 > clip_y0; y0 -= height);
y1 = clip_y1;
} else {
y1 = y + 1;
}
/* repeatedly plot our content */
for (y = y0; y < y1; y += height)
for (x = x0; x < x1; x += width)
if (!handler_map[c->type].redraw(c, x, y,
width, height,
clip_x0, clip_y0,
clip_x1, clip_y1,
scale, background_colour))
return false;
}
return true;
}
@ -831,7 +902,7 @@ bool content_redraw(struct content *c, int x, int y,
/**
* Register a user for callbacks.
*
* \param c the content to register
* \param c the content to register
* \param callback the callback function
* \param p1, p2 callback private data
* \return true on success, false otherwise on memory exhaustion
@ -996,12 +1067,12 @@ void content_stop_check(struct content *c)
/**
* A window containing the content has been opened.
*
* \param c content that has been opened
* \param bw browser window containing the content
* \param page content of type CONTENT_HTML containing c, or 0 if not an
* object within a page
* \param c content that has been opened
* \param bw browser window containing the content
* \param page content of type CONTENT_HTML containing c, or 0 if not an
* object within a page
* \param index index in page->data.html.object, or 0 if not an object
* \param box box containing c, or 0 if not an object
* \param box box containing c, or 0 if not an object
* \param params object parameters, or 0 if not an object
*
* Calls the open function for the content.

5
content/content.h
View File

@ -304,6 +304,11 @@ bool content_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour);
bool content_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y);
bool content_add_user(struct content *c,
void (*callback)(content_msg msg, struct content *c,
intptr_t p1, intptr_t p2, union content_msg_data data),

2
debug/debug_bitmap.c
View File

@ -32,7 +32,7 @@ struct bitmap {
* \return an opaque struct bitmap, or NULL on memory exhaustion
*/
struct bitmap *bitmap_create(int width, int height, bool clear)
struct bitmap *bitmap_create(int width, int height, bitmap_state state)
{
struct bitmap *bitmap;
bitmap = calloc(sizeof *bitmap + width * height * 4, 1);

2
gtk/gtk_bitmap.c
View File

@ -33,7 +33,7 @@ struct bitmap;
* \return an opaque struct bitmap, or NULL on memory exhaustion
*/
struct bitmap *bitmap_create(int width, int height, bool clear)
struct bitmap *bitmap_create(int width, int height, bitmap_state state)
{
GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8,
width, height);

8
image/bitmap.h
View File

@ -20,12 +20,18 @@
#include <stdbool.h>
#include <stdlib.h>
typedef enum {
BITMAP_READY, /** Bitmap buffer is ready */
BITMAP_ALLOCATE_MEMORY, /** Allocate memory */
BITMAP_CLEAR_MEMORY, /** Clear the memory */
} bitmap_state;
struct content;
/** An opaque image. */
struct bitmap;
struct bitmap *bitmap_create(int width, int height, bool clear);
struct bitmap *bitmap_create(int width, int height, bitmap_state state);
void bitmap_set_opaque(struct bitmap *bitmap, bool opaque);
bool bitmap_test_opaque(struct bitmap *bitmap);
bool bitmap_get_opaque(struct bitmap *bitmap);

14
image/gif.c
View File

@ -126,6 +126,20 @@ bool nsgif_redraw(struct content *c, int x, int y,
}
bool nsgif_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y) {
if (c->data.gif.current_frame != c->data.gif.gif->decoded_frame)
nsgif_get_frame(c);
c->bitmap = c->data.gif.gif->frame_image;
return plot.bitmap_tile(x, y, width, height, c->bitmap, background_colour,
repeat_x, repeat_y);
}
void nsgif_destroy(struct content *c)
{
/* Free all the associated memory buffers

5
image/gif.h
View File

@ -25,5 +25,10 @@ bool nsgif_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour);
bool nsgif_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y);
#endif

7
image/gifread.c
View File

@ -204,7 +204,7 @@ int gif_initialise(struct gif_animation *gif) {
/* Initialise the sprite header
*/
if ((gif->frame_image = bitmap_create(gif->width, gif->height, false)) == NULL) {
if ((gif->frame_image = bitmap_create(gif->width, gif->height, BITMAP_ALLOCATE_MEMORY)) == NULL) {
gif_finalise(gif);
return GIF_INSUFFICIENT_MEMORY;
}
@ -273,7 +273,8 @@ static int gif_initialise_sprite(struct gif_animation *gif, unsigned int width,
/* Check if we've changed
*/
if ((width <= gif->width) && (height <= gif->height)) return 0;
if ((width <= gif->width) && (height <= gif->height))
return 0;
/* Get our maximum values
*/
@ -282,7 +283,7 @@ static int gif_initialise_sprite(struct gif_animation *gif, unsigned int width,
/* Allocate some more memory
*/
if ((buffer = bitmap_create(max_width, max_height, false)) == NULL)
if ((buffer = bitmap_create(max_width, max_height, BITMAP_ALLOCATE_MEMORY)) == NULL)
return GIF_INSUFFICIENT_MEMORY;
bitmap_destroy(gif->frame_image);
gif->frame_image = buffer;

18
image/jpeg.c
View File

@ -94,7 +94,7 @@ bool nsjpeg_convert(struct content *c, int w, int h)
width = cinfo.output_width;
height = cinfo.output_height;
bitmap = bitmap_create(width, height, false);
bitmap = bitmap_create(width, height, BITMAP_ALLOCATE_MEMORY);
if (bitmap)
pixels = bitmap_get_buffer(bitmap);
if ((!bitmap) || (!pixels)) {
@ -226,6 +226,22 @@ bool nsjpeg_redraw(struct content *c, int x, int y,
}
/**
* Redraw a CONTENT_JPEG with appropriate tiling.
*/
bool nsjpeg_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y)
{
return plot.bitmap_tile(x, y, width, height,
c->bitmap, background_colour,
repeat_x, repeat_y);
}
/**
* Destroy a CONTENT_JPEG and free all resources it owns.
*/

7
image/jpeg.h
View File

@ -22,10 +22,15 @@ struct content_jpeg_data {
};
bool nsjpeg_convert(struct content *c, int width, int height);
void nsjpeg_destroy(struct content *c);
bool nsjpeg_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour);
void nsjpeg_destroy(struct content *c);
bool nsjpeg_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y);
#endif

25
image/mng.c
View File

@ -190,7 +190,7 @@ mng_bool nsmng_processheader(mng_handle mng, mng_uint32 width, mng_uint32 height
LOG(("processing header (%p) %d, %d", c, width, height));
c->bitmap = bitmap_create(width, height, false);
c->bitmap = bitmap_create(width, height, BITMAP_ALLOCATE_MEMORY);
if (!c->bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
@ -449,22 +449,33 @@ bool nsmng_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour)
{
return nsmng_redraw_tiled(c, x, y, width, height,
clip_x0, clip_y0, clip_x1, clip_y1,
scale, background_colour,
false, false);
}
bool nsmng_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y)
{
bool ret;
/* mark image as having been requested to display */
if (!c->data.mng.displayed)
c->data.mng.displayed = true;
c->data.mng.displayed = true;
if ((c->bitmap) && (c->data.mng.opaque_test_pending)) {
bitmap_set_opaque(c->bitmap, bitmap_test_opaque(c->bitmap));
c->data.mng.opaque_test_pending = false;
}
assert(c != NULL);
ret = plot.bitmap(x, y, width, height,
c->bitmap, background_colour);
ret = plot.bitmap_tile(x, y, width, height,
c->bitmap, background_colour,
repeat_x, repeat_y);
/* Check if we need to restart the animation
*/

5
image/mng.h
View File

@ -35,4 +35,9 @@ bool nsmng_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour);
bool nsmng_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour,
bool repeat_x, bool repeat_y);
#endif

22
render/html_redraw.c
View File

@ -1000,21 +1000,23 @@ bool html_redraw_background(int x, int y, struct box *box, float scale,
bool repeat_x = false;
bool repeat_y = false;
bool plot_colour = true;
bool plot_bitmap;
bool plot_content;
bool clip_to_children = false;
struct box *clip_box = box;
int px0 = clip_x0, py0 = clip_y0, px1 = clip_x1, py1 = clip_y1;
int ox = x, oy = y;
struct box *parent;
plot_bitmap = (box->background && box->background->bitmap);
if (plot_bitmap) {
plot_content = (box->background != NULL);
if (plot_content) {
/* handle background-repeat */
switch (box->style->background_repeat) {
case CSS_BACKGROUND_REPEAT_REPEAT:
repeat_x = repeat_y = true;
/* optimisation: only plot the colour if bitmap is not opaque */
plot_colour = !bitmap_get_opaque(box->background->bitmap);
if (box->background->bitmap)
plot_colour = !bitmap_get_opaque(
box->background->bitmap);
break;
case CSS_BACKGROUND_REPEAT_REPEAT_X:
repeat_x = true;
@ -1109,19 +1111,13 @@ bool html_redraw_background(int x, int y, struct box *box, float scale,
return false;
}
/* and plot the image */
if (plot_bitmap) {
if (plot_content) {
if (!plot.clip(clip_x0, clip_y0, clip_x1, clip_y1))
return false;
/* SPECIAL CASE: As GIFs are normally decoded on the first call to
* nsgif_redraw we may need to get the first frame manually. */
if ((box->background->type == CONTENT_GIF) &&
(box->background->data.gif.gif->decoded_frame < 0))
gif_decode_frame(box->background->data.gif.gif,
0);
if (!plot.bitmap_tile(x, y,
if (!content_redraw_tiled(box->background, x, y,
ceilf(box->background->width * scale),
ceilf(box->background->height * scale),
box->background->bitmap,
clip_x0, clip_y0, clip_x1, clip_y1, scale,
*background_colour,
repeat_x, repeat_y))
return false;

66
riscos/bitmap.c
View File

@ -74,7 +74,7 @@ struct bitmap_compressed_header {
char bitmap_filename[256];
static bool bitmap_initialise(struct bitmap *bitmap, bool clear);
static bool bitmap_initialise(struct bitmap *bitmap);
static void bitmap_decompress(struct bitmap *bitmap);
static void bitmap_compress(struct bitmap *bitmap);
static void bitmap_load_file(struct bitmap *bitmap);
@ -145,7 +145,8 @@ void bitmap_quit(void)
struct bitmap *bitmap;
for (bitmap = bitmap_head; bitmap; bitmap = bitmap->next)
if ((bitmap->persistent) && (bitmap->filename[0] == '\0'))
if ((bitmap->persistent) && ((bitmap->modified) ||
(bitmap->filename[0] == '\0')))
bitmap_save_file(bitmap);
}
@ -159,7 +160,7 @@ void bitmap_quit(void)
* \return an opaque struct bitmap, or NULL on memory exhaustion
*/
struct bitmap *bitmap_create(int width, int height, bool clear)
struct bitmap *bitmap_create(int width, int height, bitmap_state state)
{
struct bitmap *bitmap;
@ -172,10 +173,15 @@ struct bitmap *bitmap_create(int width, int height, bool clear)
bitmap->width = width;
bitmap->height = height;
bitmap->opaque = false;
if (clear)
bitmap->init = BITMAP_INITIALISE_FULL;
else
bitmap->init = BITMAP_INITIALISE_QUICK;
switch (state) {
case BITMAP_CLEAR_MEMORY:
case BITMAP_ALLOCATE_MEMORY:
bitmap->state = state;
break;
default:
LOG(("Invalid bitmap state"));
assert(false);
}
/* link into our list of bitmaps at the head */
if (bitmap_head) {
@ -207,7 +213,7 @@ struct bitmap *bitmap_create_file(char *file)
return NULL;
bitmap->opaque = true;
bitmap->persistent = true;
bitmap->init = BITMAP_INITIALISE_DONE;
bitmap->state = BITMAP_READY;
strcpy(bitmap->filename, file);
/* link in at the head */
@ -227,21 +233,30 @@ struct bitmap *bitmap_create_file(char *file)
* \param clear whether to clear the image ready for use
*/
bool bitmap_initialise(struct bitmap *bitmap, bool clear)
bool bitmap_initialise(struct bitmap *bitmap)
{
unsigned int area_size;
osspriteop_area *sprite_area;
osspriteop_header *sprite;
area_size = 16 + 44 + bitmap->width * bitmap->height * 4;
if (clear)
bitmap->sprite_area = calloc(1, area_size);
else
bitmap->sprite_area = malloc(area_size);
if (!bitmap->sprite_area) {
return false;
switch (bitmap->state) {
case BITMAP_CLEAR_MEMORY:
bitmap->sprite_area = calloc(1, area_size);
if (!bitmap->sprite_area)
return false;
bitmap->state = BITMAP_READY;
break;
case BITMAP_ALLOCATE_MEMORY:
bitmap->sprite_area = malloc(area_size);
if (!bitmap->sprite_area)
return false;
bitmap->state = BITMAP_READY;
break;
default:
LOG(("Invalid bitmap state"));
assert(false);
}
bitmap->init = BITMAP_INITIALISE_DONE;
bitmap_direct_used += area_size;
/* area control block */
@ -254,8 +269,7 @@ bool bitmap_initialise(struct bitmap *bitmap, bool clear)
/* sprite control block */
sprite = (osspriteop_header *) (sprite_area + 1);
sprite->size = area_size - 16;
if (!clear)
memset(sprite->name, 0x00, 12);
memset(sprite->name, 0x00, 12);
strncpy(sprite->name, "bitmap", 12);
sprite->width = bitmap->width - 1;
sprite->height = bitmap->height - 1;
@ -346,8 +360,6 @@ bool bitmap_get_opaque(struct bitmap *bitmap)
char *bitmap_get_buffer(struct bitmap *bitmap)
{
bool clear;
assert(bitmap);
/* move to the head of the list */
@ -363,10 +375,14 @@ char *bitmap_get_buffer(struct bitmap *bitmap)
}
/* dynamically create the buffer */
if (bitmap->init != BITMAP_INITIALISE_DONE) {
clear = (bitmap->init == BITMAP_INITIALISE_FULL);
if (!bitmap_initialise(bitmap, clear))
return NULL;
switch (bitmap->state) {
case BITMAP_ALLOCATE_MEMORY:
case BITMAP_CLEAR_MEMORY:
if (!bitmap_initialise(bitmap))
return NULL;
break;
default:
break;
}
/* image is already decompressed, no change to image states */
@ -591,7 +607,7 @@ void bitmap_decompress(struct bitmap *bitmap)
}
/* create the image memory/header to decompress to */
if (!bitmap_initialise(bitmap, false))
if (!bitmap_initialise(bitmap))
return;
/* decompress the data */

9
riscos/bitmap.h
View File

@ -9,22 +9,17 @@
#define _NETSURF_RISCOS_BITMAP_H_
#include "oslib/osspriteop.h"
#include "netsurf/image/bitmap.h"
struct osspriteop_area;
typedef enum {
BITMAP_INITIALISE_DONE, /** Initialisation has been done */
BITMAP_INITIALISE_QUICK, /** Just allocate memory */
BITMAP_INITIALISE_FULL /** Clear the sprite buffer */
} bitmap_initialisation;
struct bitmap {
int width;
int height;
bool opaque;
bool modified;
bool persistent;
bitmap_initialisation init;
bitmap_state state;
osspriteop_area *sprite_area; /** Uncompressed data, or NULL */
char *compressed; /** Compressed data, or NULL */

3
riscos/history.c
View File

@ -178,7 +178,8 @@ void history_add(struct history *history, struct content *content, char *frag_id
* loading */
bitmap = url_store_get_thumbnail(url);
if (!bitmap) {
bitmap = bitmap_create(WIDTH / 2, HEIGHT / 2, false);
bitmap = bitmap_create(WIDTH / 2, HEIGHT / 2,
BITMAP_ALLOCATE_MEMORY);
if (!bitmap) {
LOG(("Thumbnail initialisation failed."));
return;

2
riscos/save.c
View File

@ -1007,7 +1007,7 @@ bool ro_gui_save_create_thumbnail(struct content *c, const char *name)
struct bitmap *bitmap;
osspriteop_area *area;
bitmap = bitmap_create(34, 34, false);
bitmap = bitmap_create(34, 34, BITMAP_CLEAR_MEMORY);
if (!bitmap) {
LOG(("Thumbnail initialisation failed."));
return false;