netsurf/cocoa/apple_image.m

118 lines
2.9 KiB
Objective-C

/*
* Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef WITH_APPLE_IMAGE
#import "cocoa/apple_image.h"
#include "utils/config.h"
#include "content/content_protected.h"
#include "image/bitmap.h"
#include "desktop/plotters.h"
/**
* Convert a CONTENT_APPLE_IMAGE for display.
*/
bool apple_image_convert(struct content *c)
{
unsigned long size;
const char *bytes = content__get_source_data(c, &size);
NSData *data = [NSData dataWithBytesNoCopy: (char *)bytes length: size freeWhenDone: NO];
NSBitmapImageRep *image = [[NSBitmapImageRep imageRepWithData: data] retain];
if (image == nil) {
union content_msg_data msg_data;
msg_data.error = "cannot decode image";
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
c->width = [image pixelsWide];
c->height = [image pixelsHigh];
c->bitmap = (void *)image;
char title[100];
snprintf( title, sizeof title, "Image (%dx%d)", c->width, c->height );
content__set_title(c, title );
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
return true;
}
void apple_image_destroy(struct content *c)
{
[(id)c->bitmap release];
c->bitmap = NULL;
}
bool apple_image_clone(const struct content *old, struct content *new_content)
{
if (old->status == CONTENT_STATUS_READY ||
old->status == CONTENT_STATUS_DONE) {
new_content->width = old->width;
new_content->height = old->height;
new_content->bitmap = (void *)[(id)old->bitmap retain];
}
return true;
}
/**
* Redraw a CONTENT_APPLE_IMAGE.
*/
bool apple_image_redraw(struct content *c, int x, int y,
int width, int height, const struct rect *clip,
float scale, colour background_colour)
{
return plot.bitmap(x, y, width, height,
c->bitmap, background_colour, BITMAPF_NONE);
}
/**
* Redraw a CONTENT_APPLE_IMAGE with appropriate tiling.
*/
bool apple_image_redraw_tiled(struct content *c, int x, int y,
int width, int height, const struct rect *clip,
float scale, colour background_colour,
bool repeat_x, bool repeat_y)
{
bitmap_flags_t flags = BITMAPF_NONE;
if (repeat_x)
flags |= BITMAPF_REPEAT_X;
if (repeat_y)
flags |= BITMAPF_REPEAT_Y;
return plot.bitmap(x, y, width, height,
c->bitmap, background_colour,
flags);
}
#endif /* WITH_APPLE_IMAGE */