mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-03 03:11:57 +03:00
203b3289b8
- Add same test in corresponding header file (if there is one) - riscos/uri.c: include riscos/uri.h and have function definitions matching the declarations. - Disable PDF debug logging. svn path=/trunk/netsurf/; revision=4769
137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
/*
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* Copyright 2008 James Shaw <js102@zepler.net>
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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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/** \file
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* Content for image/x-riscos-sprite (librosprite implementation).
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*
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*/
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#include "utils/config.h"
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#ifdef WITH_NSSPRITE
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <librosprite.h>
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#include "utils/config.h"
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#include "desktop/plotters.h"
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#include "content/content.h"
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#include "utils/log.h"
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#include "utils/messages.h"
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#include "utils/utils.h"
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#define ERRCHK(x) do { \
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rosprite_error err = x; \
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if (err == ROSPRITE_EOF) { \
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LOG(("Got ROSPRITE_EOF when loading sprite file")); \
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return false; \
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} else if (err == ROSPRITE_BADMODE) { \
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LOG(("Got ROSPRITE_BADMODE when loading sprite file")); \
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return false; \
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} else if (err == ROSPRITE_OK) { \
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} else { \
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return false; \
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} \
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} while(0)
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/**
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* Convert a CONTENT_SPRITE for display.
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*
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* No conversion is necessary. We merely read the sprite dimensions.
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*/
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bool nssprite_convert(struct content *c, int width, int height)
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{
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union content_msg_data msg_data;
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struct rosprite_mem_context* ctx;
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ERRCHK(rosprite_create_mem_context((uint8_t *) c->source_data,
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c->total_size, &ctx));
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struct rosprite_area* sprite_area;
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ERRCHK(rosprite_load(rosprite_mem_reader, ctx, &sprite_area));
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rosprite_destroy_mem_context(ctx);
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c->data.nssprite.sprite_area = sprite_area;
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assert(sprite_area->sprite_count > 0);
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struct rosprite* sprite = sprite_area->sprites[0];
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c->bitmap = bitmap_create(sprite->width, sprite->height, BITMAP_NEW);
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if (!c->bitmap) {
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msg_data.error = messages_get("NoMemory");
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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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char* imagebuf = bitmap_get_buffer(c->bitmap);
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if (!imagebuf) {
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msg_data.error = messages_get("NoMemory");
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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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unsigned int row_width = bitmap_get_rowstride(c->bitmap);
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memcpy(imagebuf, sprite->image, row_width * sprite->height); // TODO: avoid copying entire image buffer
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/* reverse byte order of each word */
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for (uint32_t y = 0; y < sprite->height; y++) {
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for (uint32_t x = 0; x < sprite->width; x++) {
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int offset = 4 * (y * sprite->width + x);
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uint32_t r = imagebuf[offset+3];
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uint32_t g = imagebuf[offset+2];
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uint32_t b = imagebuf[offset+1];
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uint32_t a = imagebuf[offset];
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imagebuf[offset] = r;
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imagebuf[offset+1] = g;
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imagebuf[offset+2] = b;
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imagebuf[offset+3] = a;
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}
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}
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c->width = sprite->width;
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c->height = sprite->height;
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c->status = CONTENT_STATUS_DONE;
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return true;
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}
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/**
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* Destroy a CONTENT_SPRITE and free all resources it owns.
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*/
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void nssprite_destroy(struct content *c)
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{
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rosprite_destroy_sprite_area(c->data.nssprite.sprite_area);
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}
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/**
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* Redraw a CONTENT_SPRITE.
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*/
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bool nssprite_redraw(struct content *c, int x, int y,
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int width, int height,
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int clip_x0, int clip_y0, int clip_x1, int clip_y1,
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float scale, colour background_colour)
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{
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return plot.bitmap(x, y, width, height,
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c->bitmap, background_colour, c);
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}
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#endif
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