mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-17 09:42:38 +03:00
256 lines
7.2 KiB
Objective-C
256 lines
7.2 KiB
Objective-C
/*
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* Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef WITH_APPLE_IMAGE
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#import "cocoa/apple_image.h"
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#include "utils/config.h"
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#include "content/content_protected.h"
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#include "image/bitmap.h"
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#include "desktop/plotters.h"
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#include "utils/utils.h"
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#import "cocoa/schedule.h"
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#import "cocoa/bitmap.h"
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typedef struct apple_image_content {
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struct content base;
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struct bitmap *bitmap; /**< Created NetSurf bitmap */
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NSUInteger frames;
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NSUInteger currentFrame;
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int *frameTimes;
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} apple_image_content;
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static void *apple_image_get_internal(const struct content *c, void *context)
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{
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apple_image_content *ai_c = (apple_image_content *)c;
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return ai_c->bitmap;
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}
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static nserror apple_image_create(const content_handler *handler,
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lwc_string *imime_type, const http_parameter *params,
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llcache_handle *llcache, const char *fallback_charset,
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bool quirks, struct content **c)
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{
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apple_image_content *ai;
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nserror error;
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ai = calloc(1, sizeof(apple_image_content));
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if (ai == NULL)
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return NSERROR_NOMEM;
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error = content__init(&ai->base, handler, imime_type, params,
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llcache, fallback_charset, quirks);
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if (error != NSERROR_OK) {
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free(ai);
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return error;
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}
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*c = (struct content *) ai;
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return NSERROR_OK;
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}
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static void animate_image_cb( void *ptr )
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{
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struct apple_image_content *ai = ptr;
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++ai->currentFrame;
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if (ai->currentFrame >= ai->frames) ai->currentFrame = 0;
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[(NSBitmapImageRep *)ai->bitmap setProperty: NSImageCurrentFrame withValue: [NSNumber numberWithUnsignedInteger: ai->currentFrame]];
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cocoa_bitmap_modified( ai->bitmap );
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union content_msg_data data;
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data.redraw.full_redraw = true;
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data.redraw.x = data.redraw.object_x = 0;
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data.redraw.y = data.redraw.object_y = 0;
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data.redraw.width = data.redraw.object_width = ai->base.width;
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data.redraw.height = data.redraw.object_height = ai->base.height;
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data.redraw.object = &ai->base;
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content_broadcast( &ai->base, CONTENT_MSG_REDRAW, data );
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cocoa_schedule(ai->frameTimes[ai->currentFrame], animate_image_cb, ai );
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}
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/**
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* Convert a CONTENT_APPLE_IMAGE for display.
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*/
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static bool apple_image_convert(struct content *c)
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{
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apple_image_content *ai_c = (apple_image_content *)c;
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unsigned long size;
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const char *bytes = content__get_source_data(c, &size);
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NSData *data = [NSData dataWithBytesNoCopy: (char *)bytes length: size freeWhenDone: NO];
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NSBitmapImageRep *image = [[NSBitmapImageRep imageRepWithData: data] retain];
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if (image == nil) {
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union content_msg_data msg_data;
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msg_data.error = "cannot decode image";
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content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
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return false;
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}
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c->width = [image pixelsWide];
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c->height = [image pixelsHigh];
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ai_c->bitmap = (void *)image;
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NSString *url = [NSString stringWithUTF8String: nsurl_access(llcache_handle_get_url( content_get_llcache_handle( c )) )];
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NSString *title = [NSString stringWithFormat: @"%@ (%dx%d)", [url lastPathComponent], c->width, c->height];
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content__set_title(c, [title UTF8String] );
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content_set_ready(c);
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content_set_done(c);
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content_set_status(c, "");
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struct apple_image_content *ai = (struct apple_image_content *)c;
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NSUInteger frames = [[image valueForProperty: NSImageFrameCount] unsignedIntegerValue];
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if (frames > 1) {
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ai->frames = frames;
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ai->currentFrame = 0;
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ai->frameTimes = calloc( ai->frames , sizeof(int));
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for (NSUInteger i = 0; i < frames; i++) {
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[image setProperty: NSImageCurrentFrame withValue: [NSNumber numberWithUnsignedInteger: i]];
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ai->frameTimes[i] = 1000 * [[image valueForProperty: NSImageCurrentFrameDuration] floatValue];
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}
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[image setProperty: NSImageCurrentFrame withValue: [NSNumber numberWithUnsignedInteger: 0]];
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cocoa_schedule( ai->frameTimes[0], animate_image_cb, ai );
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}
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return true;
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}
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static void apple_image_destroy(struct content *c)
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{
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apple_image_content *ai_c = (apple_image_content *)c;
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[(id)ai_c->bitmap release];
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ai_c->bitmap = NULL;
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cocoa_schedule(-1, animate_image_cb, c );
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}
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static nserror apple_image_clone(const struct content *old, struct content **newc)
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{
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apple_image_content *ai;
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apple_image_content *ai_old = (apple_image_content *)old;
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nserror error;
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ai = calloc(1, sizeof(apple_image_content));
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if (ai == NULL)
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return NSERROR_NOMEM;
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error = content__clone(old, &ai->base);
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if (error != NSERROR_OK) {
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content_destroy(&ai->base);
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return error;
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}
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if (old->status == CONTENT_STATUS_READY ||
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old->status == CONTENT_STATUS_DONE) {
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ai->base.width = old->width;
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ai->base.height = old->height;
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ai->bitmap = (void *)[(id)ai_old->bitmap retain];
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}
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*newc = (struct content *) ai;
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return NSERROR_OK;
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}
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static content_type apple_image_content_type(void)
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{
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return CONTENT_IMAGE;
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}
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/**
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* Redraw a CONTENT_APPLE_IMAGE with appropriate tiling.
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*/
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static bool apple_image_redraw(struct content *c, struct content_redraw_data *data,
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const struct rect *clip, const struct redraw_context *ctx)
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{
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apple_image_content *ai_c = (apple_image_content *)c;
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bitmap_flags_t flags = BITMAPF_NONE;
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if (data->repeat_x)
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flags |= BITMAPF_REPEAT_X;
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if (data->repeat_y)
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flags |= BITMAPF_REPEAT_Y;
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return ctx->plot->bitmap(data->x, data->y, data->width, data->height,
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ai_c->bitmap, data->background_colour, flags);
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}
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static const content_handler apple_image_content_handler = {
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.create = apple_image_create,
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.data_complete = apple_image_convert,
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.destroy = apple_image_destroy,
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.redraw = apple_image_redraw,
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.clone = apple_image_clone,
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.get_internal = apple_image_get_internal,
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.type = apple_image_content_type,
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.no_share = false
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};
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static nserror register_for_type( NSString *mime )
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{
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const char *type = [mime UTF8String];
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/* nsgif has priority since it supports animated GIF */
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#ifdef WITH_GIF
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if (strcmp(type, "image/gif") == 0)
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return NSERROR_OK;
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#endif
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nserror error = content_factory_register_handler( type, &apple_image_content_handler );
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if (error != NSERROR_OK) return error;
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return NSERROR_OK;
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}
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/* exported interface documented in cocoa/apple_image.h */
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nserror apple_image_init(void)
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{
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NSArray *utis = [NSBitmapImageRep imageTypes];
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for (NSString *uti in utis) {
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NSDictionary *declaration = [(NSDictionary *)UTTypeCopyDeclaration( (CFStringRef)uti ) autorelease];
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id mimeTypes = [[declaration objectForKey: (NSString *)kUTTypeTagSpecificationKey] objectForKey: (NSString *)kUTTagClassMIMEType];
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if (mimeTypes == nil) continue;
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if (![mimeTypes isKindOfClass: [NSArray class]]) {
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mimeTypes = [NSArray arrayWithObject: mimeTypes];
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}
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for (NSString *mime in mimeTypes) {
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nserror error = register_for_type( mime );
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if (error != NSERROR_OK) return error;
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}
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}
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return NSERROR_OK;
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}
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#endif /* WITH_APPLE_IMAGE */
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