mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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131 lines
3.6 KiB
C++
131 lines
3.6 KiB
C++
/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "common.h"
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#include "x_platform.h"
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#include "pixels_source.h"
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#include "pixels_source_p.h"
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#include "utils.h"
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#include "debug.h"
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#include "res.h"
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static void create_image(const PixmapHeader* pixmap, PixelsSource_p& pixels_source,
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pixman_format_code_t format)
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{
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pixman_image_t *pixman_image;
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XImage *image = new XImage;
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memset(image, 0, sizeof(*image));
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image->width = pixmap->width;
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image->height = pixmap->height;
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image->data = (char*)pixmap->data;
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image->byte_order = LSBFirst;
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image->bitmap_unit = 32;
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image->bitmap_bit_order = LSBFirst;
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image->bitmap_pad = 32;
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image->bytes_per_line = pixmap->stride;
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image->depth = XPlatform::get_vinfo()[0]->depth;
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image->format = ZPixmap;
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image->bits_per_pixel = 32;
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image->red_mask = 0x00ff0000;
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image->green_mask = 0x0000ff00;
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image->blue_mask = 0x000000ff;
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try {
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if (!XInitImage(image)) {
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THROW("init image failed");
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}
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pixman_image = pixman_image_create_bits(format,
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pixmap->width, pixmap->height,
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(uint32_t *)pixmap->data,
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pixmap->stride);
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if (pixman_image == NULL) {
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THROW("surf create failed");
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}
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} catch (...) {
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delete image;
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throw;
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}
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pixels_source.type = PIXELS_SOURCE_TYPE_PIXMAP;
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pixels_source.pixmap.x_image = image;
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pixels_source.pixmap.pixman_image = pixman_image;
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}
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PixelsSource::PixelsSource()
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{
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_origin.x = _origin.y = 0;
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memset(_opaque, 0, sizeof(_opaque));
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}
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PixelsSource::~PixelsSource()
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{
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}
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ImageFromRes::ImageFromRes(int res_id)
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{
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const PixmapHeader* pixmap = res_get_image(res_id);
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if (!pixmap) {
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THROW("no image %d", res_id);
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}
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create_image(pixmap, *(PixelsSource_p*)get_opaque(), PIXMAN_x8r8g8b8);
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}
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ImageFromRes::~ImageFromRes()
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{
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pixman_image_unref(((PixelsSource_p*)get_opaque())->pixmap.pixman_image);
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delete ((PixelsSource_p*)get_opaque())->pixmap.x_image;
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}
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SpicePoint ImageFromRes::get_size()
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{
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XImage *image = ((PixelsSource_p*)get_opaque())->pixmap.x_image;
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SpicePoint pt;
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pt.x = image->width;
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pt.y = image->height;
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return pt;
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}
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AlphaImageFromRes::AlphaImageFromRes(int res_id)
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{
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const PixmapHeader* pixmap = res_get_image(res_id);
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if (!pixmap) {
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THROW("no image %d", res_id);
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}
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create_image(pixmap, *(PixelsSource_p*)get_opaque(), PIXMAN_a8r8g8b8);
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}
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AlphaImageFromRes::~AlphaImageFromRes()
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{
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pixman_image_unref(((PixelsSource_p*)get_opaque())->pixmap.pixman_image);
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delete ((PixelsSource_p*)get_opaque())->pixmap.x_image;
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}
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SpicePoint AlphaImageFromRes::get_size()
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{
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XImage *image = ((PixelsSource_p*)get_opaque())->pixmap.x_image;
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SpicePoint pt;
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pt.x = image->width;
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pt.y = image->height;
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return pt;
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}
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