efl/legacy/evas/src/modules/engines/software_gdi/evas_gdi_buffer.c

89 lines
2.3 KiB
C

#include <string.h>
#include "evas_common.h"
#include "evas_engine.h"
Gdi_Output_Buffer *
evas_software_gdi_output_buffer_new(HDC dc,
BITMAPINFO_GDI *bitmap_info,
int depth,
int width,
int height,
void *data)
{
Gdi_Output_Buffer *gdiob;
gdiob = calloc(1, sizeof(Gdi_Output_Buffer));
if (!gdiob) return NULL;
if (!data)
{
bitmap_info->bih.biWidth = width;
bitmap_info->bih.biHeight = -height;
bitmap_info->bih.biSizeImage = (depth >> 3) * width * height;
gdiob->bitmap = CreateDIBSection(dc,
(const BITMAPINFO *)bitmap_info,
DIB_RGB_COLORS,
(void **)(&data),
NULL,
0);
if (!gdiob->bitmap)
{
free(gdiob);
return NULL;
}
}
gdiob->bitmap_info = bitmap_info;
gdiob->dc = dc;
gdiob->data = data;
gdiob->width = width;
gdiob->height = height;
gdiob->depth = depth;
gdiob->pitch = width * (depth >> 3);
/* gdiob->psize = gdiob->pitch * height; */
return gdiob;
}
void
evas_software_gdi_output_buffer_free(Gdi_Output_Buffer *gdiob)
{
DeleteObject(gdiob->bitmap);
free(gdiob);
}
void
evas_software_gdi_output_buffer_paste(Gdi_Output_Buffer *gdiob,
int x,
int y)
{
HDC dc;
dc = CreateCompatibleDC(gdiob->dc);
if (!dc)
return;
SelectObject(dc, gdiob->bitmap);
BitBlt(gdiob->dc,
x, y,
gdiob->width, gdiob->height,
dc,
0, 0,
SRCCOPY);
DeleteDC(dc);
}
DATA8 *
evas_software_gdi_output_buffer_data(Gdi_Output_Buffer *gdiob,
int *pitch)
{
if (pitch) *pitch = gdiob->pitch;
return gdiob->data;
}
int
evas_software_gdi_output_buffer_depth(Gdi_Output_Buffer *gdiob)
{
return gdiob->depth;
}