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/*
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/>.
*/
#ifndef _H_RED_DRAWABLE
#define _H_RED_DRAWABLE
#include <pixman_utils.h>
#include "pixels_source.h"
#include "utils.h"
typedef uint32_t rgb32_t;
static inline rgb32_t rgb32_make(uint8_t r, uint8_t g, uint8_t b)
{
return (rgb32_t(r) << 16) | (rgb32_t(g) << 8) | b;
}
static inline uint8_t rgb32_get_red(rgb32_t color)
{
return color >> 16;
}
static inline uint8_t rgb32_get_green(rgb32_t color)
{
return color >> 8;
}
static inline uint8_t rgb32_get_blue(rgb32_t color)
{
return color;
}
class RedDrawable: public PixelsSource {
public:
RedDrawable() {}
virtual ~RedDrawable() {}
enum Format {
ARGB32,
RGB32,
RGB16_555,
RGB16_565,
A1,
};
static int format_copy_compatible(Format src, Format dest) {
return src == dest || (src == ARGB32 && dest == RGB32);
}
static int format_to_bpp(Format format) {
if (format == RedDrawable::A1) {
return 1;
} else if (format == RGB16_555 || format == RGB16_565) {
return 16;
} else {
return 32;
}
}
static pixman_format_code_t format_to_pixman(Format format) {
switch (format) {
case RedDrawable::ARGB32:
return PIXMAN_a8r8g8b8;
case RedDrawable::RGB32:
return PIXMAN_x8r8g8b8;
case RedDrawable::RGB16_555:
return PIXMAN_x1r5g5b5;
case RedDrawable::RGB16_565:
return PIXMAN_r5g6b5;
case RedDrawable::A1:
return PIXMAN_a1;
default:
THROW("unsupported format %d", format);
}
}
static Format format_from_surface(uint32_t format) {
switch (format) {
case SPICE_SURFACE_FMT_16_555:
return RedDrawable::RGB16_555;
case SPICE_SURFACE_FMT_16_565:
return RedDrawable::RGB16_565;
case SPICE_SURFACE_FMT_32_xRGB:
return RedDrawable::RGB32;
case SPICE_SURFACE_FMT_32_ARGB:
return RedDrawable::ARGB32;
default:
THROW("Unsupported RedPixman format");
}
}
enum CombineOP {
OP_COPY,
OP_AND,
OP_XOR,
};
virtual RedDrawable::Format get_format() = 0;
void copy_pixels(const PixelsSource& src, int src_x, int src_y, const SpiceRect& dest);
void blend_pixels(const PixelsSource& src, int src_x, int src_y, const SpiceRect& dest);
void combine_pixels(const PixelsSource& src, int src_x, int src_y, const SpiceRect& dest,
CombineOP op);
void fill_rect(const SpiceRect& rect, rgb32_t color);
void frame_rect(const SpiceRect& rect, rgb32_t color);
void erase_rect(const SpiceRect& rect, rgb32_t color);
};
#endif
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