160 lines
3.5 KiB
C
160 lines
3.5 KiB
C
/*
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* Copyright 2011 John-Mark Bell <jmb@netsurf-browser.org>
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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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#include <stdbool.h>
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#include <stdlib.h>
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#include "utils/utils.h"
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#include "utils/log.h"
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#include "utils/messages.h"
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#include "netsurf/plotters.h"
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#include "netsurf/bitmap.h"
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#include "netsurf/content.h"
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#include "desktop/gui_internal.h"
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#include "image/bmp.h"
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#include "image/gif.h"
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#include "image/ico.h"
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#include "image/jpeg.h"
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#include "image/nssprite.h"
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#include "image/png.h"
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#include "image/rsvg.h"
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#include "image/svg.h"
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#include "image/image.h"
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/**
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* Initialise image content handlers
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*
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* \return NSERROR_OK on success, appropriate error otherwise.
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*/
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nserror image_init(void)
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{
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nserror error = NSERROR_OK;
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#ifdef WITH_BMP
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error = nsbmp_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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#ifdef WITH_GIF
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error = nsgif_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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#ifdef WITH_BMP
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error = nsico_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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#ifdef WITH_JPEG
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error = nsjpeg_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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#ifdef WITH_PNG
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error = nspng_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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#ifdef WITH_NSSPRITE
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error = nssprite_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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/* Prefer rsvg over libsvgtiny for svgs */
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#ifdef WITH_NS_SVG
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error = svg_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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#ifdef WITH_RSVG
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error = nsrsvg_init();
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if (error != NSERROR_OK)
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return error;
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#endif
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return error;
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}
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bool image_bitmap_plot(struct bitmap *bitmap,
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struct content_redraw_data *data,
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const struct rect *clip,
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const struct redraw_context *ctx)
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{
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bitmap_flags_t flags = BITMAPF_NONE;
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int width;
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int height;
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unsigned char *pixel;
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plot_style_t fill_style;
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struct rect area;
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width = guit->bitmap->get_width(bitmap);
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if (width == 1) {
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height = guit->bitmap->get_height(bitmap);
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if (height == 1) {
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/* optimise 1x1 bitmap plot */
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pixel = guit->bitmap->get_buffer(bitmap);
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fill_style.fill_colour = pixel_to_colour(pixel);
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if (guit->bitmap->get_opaque(bitmap) ||
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((fill_style.fill_colour & 0xff000000) == 0xff000000)) {
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area = *clip;
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if (data->repeat_x != true) {
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area.x0 = data->x;
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area.x1 = data->x + data->width;
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}
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if (data->repeat_y != true) {
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area.y0 = data->y;
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area.y1 = data->y + data->height;
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}
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fill_style.stroke_type = PLOT_OP_TYPE_NONE;
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fill_style.fill_type = PLOT_OP_TYPE_SOLID;
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return ctx->plot->rectangle(area.x0, area.y0,
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area.x1, area.y1,
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&fill_style);
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} else if ((fill_style.fill_colour & 0xff000000) == 0) {
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/* transparent pixel used as spacer, skip it */
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return true;
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}
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}
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}
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/* do the plot */
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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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bitmap, data->background_colour, flags);
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}
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