mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
synced 2025-12-27 15:45:54 +00:00
ae40f270cf
The command line option is renamed from "cairo" to "sw", and similarly all filenames and types from Cairo to Sw (and similar).
112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
/*
|
|
Copyright (C) 2009 Red Hat, Inc.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "common.h"
|
|
#include "red_pixmap_sw.h"
|
|
#include "red_pixmap.h"
|
|
#include "debug.h"
|
|
#include "utils.h"
|
|
#include "pixels_source_p.h"
|
|
#include "platform_utils.h"
|
|
|
|
struct RedPixmap_p {
|
|
PixelsSource_p pixels_source_p;
|
|
HBITMAP prev_bitmap;
|
|
};
|
|
|
|
RedPixmapSw::RedPixmapSw(int width, int height, RedDrawable::Format format,
|
|
bool top_bottom, RedWindow *win)
|
|
: RedPixmap(width, height, format, top_bottom)
|
|
{
|
|
DWORD *pixel_format;
|
|
ASSERT(format == RedDrawable::ARGB32 || format == RedDrawable::RGB32
|
|
|| format == RedDrawable::RGB16_555 || format == RedDrawable::RGB16_565
|
|
|| format == RedDrawable::A1);
|
|
ASSERT(sizeof(RedPixmap_p) <= PIXELES_SOURCE_OPAQUE_SIZE);
|
|
|
|
struct {
|
|
BITMAPINFO inf;
|
|
RGBQUAD palette[255];
|
|
} bitmap_info;
|
|
|
|
memset(&bitmap_info, 0, sizeof(bitmap_info));
|
|
bitmap_info.inf.bmiHeader.biSize = sizeof(bitmap_info.inf.bmiHeader);
|
|
bitmap_info.inf.bmiHeader.biWidth = _width;
|
|
bitmap_info.inf.bmiHeader.biHeight = top_bottom ? -_height : _height;
|
|
|
|
/*#ifdef USE_OGL
|
|
// -----------------------------------------------------------------------------
|
|
// ensure valid access to additional stride.
|
|
// apparently glReadPixels validate ((ptr of last line) + GL_PACK_ROW_LENGTH + 1).
|
|
// seen on "ATI Radeon HD 2400 PRO" "2.0.6479 Release"
|
|
if (top_bottom) {
|
|
bitmap_info.inf.bmiHeader.biHeight--;
|
|
} else {
|
|
bitmap_info.inf.bmiHeader.biHeight++;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
#endif*/
|
|
|
|
bitmap_info.inf.bmiHeader.biPlanes = 1;
|
|
bitmap_info.inf.bmiHeader.biBitCount = RedDrawable::format_to_bpp(format);
|
|
if (format == RedDrawable::RGB16_565) {
|
|
bitmap_info.inf.bmiHeader.biCompression = BI_BITFIELDS;
|
|
} else {
|
|
bitmap_info.inf.bmiHeader.biCompression = BI_RGB;
|
|
}
|
|
switch (format) {
|
|
case RedDrawable::A1:
|
|
bitmap_info.inf.bmiColors[0].rgbRed = 0;
|
|
bitmap_info.inf.bmiColors[0].rgbGreen = 0;
|
|
bitmap_info.inf.bmiColors[0].rgbBlue = 0;
|
|
bitmap_info.inf.bmiColors[1].rgbRed = 0xff;
|
|
bitmap_info.inf.bmiColors[1].rgbGreen = 0xff;
|
|
bitmap_info.inf.bmiColors[1].rgbBlue = 0xff;
|
|
break;
|
|
case RedDrawable::RGB16_565:
|
|
pixel_format = (DWORD *)bitmap_info.inf.bmiColors;
|
|
pixel_format[0] = 0xf800;
|
|
pixel_format[1] = 0x07e0;
|
|
pixel_format[2] = 0x001f;
|
|
break;
|
|
}
|
|
AutoDC dc(create_compatible_dc());
|
|
AutoGDIObject bitmap(CreateDIBSection(dc.get(), &bitmap_info.inf, 0,
|
|
(VOID **)&_data, NULL, 0));
|
|
if (!bitmap.valid()) {
|
|
THROW("create compatible bitmap failed");
|
|
}
|
|
/*#ifdef USE_OGL
|
|
SetWindowOrgEx(dc.get(), 0, -1, NULL); // compensate for one pad line
|
|
#endif*/
|
|
((RedPixmap_p*)get_opaque())->prev_bitmap = (HBITMAP)SelectObject(dc.get(), bitmap.release());
|
|
((RedPixmap_p*)get_opaque())->pixels_source_p.dc = dc.release();
|
|
}
|
|
|
|
RedPixmapSw::~RedPixmapSw()
|
|
{
|
|
HDC dc = ((RedPixmap_p*)get_opaque())->pixels_source_p.dc;
|
|
if (dc) {
|
|
HBITMAP prev_bitmap = ((RedPixmap_p*)get_opaque())->prev_bitmap;
|
|
HBITMAP bitmap = (HBITMAP)SelectObject(dc, prev_bitmap);
|
|
DeleteObject(bitmap);
|
|
DeleteDC(dc);
|
|
}
|
|
}
|
|
|