1 #include "evas_common_private.h"
2 #include "evas_engine.h"
3 
4 
5 int
evas_software_gdi_init(HWND window,unsigned int borderless,unsigned int fullscreen EINA_UNUSED,unsigned int region,Outbuf * buf)6 evas_software_gdi_init (HWND         window,
7                         unsigned int borderless,
8                         unsigned int fullscreen EINA_UNUSED,
9                         unsigned int region,
10                         Outbuf *buf)
11 {
12    if (!window)
13      {
14         ERR("[Engine] [GDI] Window is NULL");
15         return 0;
16      }
17 
18    buf->priv.gdi.window = window;
19    buf->priv.gdi.dc = GetDC(window);
20    buf->priv.gdi.borderless = borderless;
21    buf->priv.gdi.region = region;
22    if (!buf->priv.gdi.dc)
23      {
24         ERR("[Engine] [GDI] Can not get DC");
25         return 0;
26      }
27 
28    if (GetDeviceCaps(buf->priv.gdi.dc, BITSPIXEL) != 32)
29      {
30         ERR("[Engine] [GDI] no compatible depth");
31         ReleaseDC(window, buf->priv.gdi.dc);
32         return 0;
33      }
34 
35    /* FIXME: support fullscreen */
36 
37    buf->priv.gdi.bitmap_info = (BITMAPINFO_GDI *)malloc(sizeof(BITMAPINFO_GDI));
38    if (!buf->priv.gdi.bitmap_info)
39      {
40         ERR("[Engine] [GDI] Can not allocate bitmap info");
41         ReleaseDC(window, buf->priv.gdi.dc);
42         return 0;
43      }
44 
45    buf->priv.gdi.bitmap_info->bih.biSize = sizeof(BITMAPINFOHEADER);
46    buf->priv.gdi.bitmap_info->bih.biWidth = buf->width;
47    buf->priv.gdi.bitmap_info->bih.biHeight = -buf->height;
48    buf->priv.gdi.bitmap_info->bih.biPlanes = 1;
49    buf->priv.gdi.bitmap_info->bih.biSizeImage = 4 * buf->width * buf->height;
50    buf->priv.gdi.bitmap_info->bih.biXPelsPerMeter = 0;
51    buf->priv.gdi.bitmap_info->bih.biYPelsPerMeter = 0;
52    buf->priv.gdi.bitmap_info->bih.biClrUsed = 0;
53    buf->priv.gdi.bitmap_info->bih.biClrImportant = 0;
54    buf->priv.gdi.bitmap_info->bih.biBitCount = 32;
55    buf->priv.gdi.bitmap_info->bih.biCompression = BI_BITFIELDS;
56    buf->priv.gdi.bitmap_info->masks[0] = 0x00ff0000;
57    buf->priv.gdi.bitmap_info->masks[1] = 0x0000ff00;
58    buf->priv.gdi.bitmap_info->masks[2] = 0x000000ff;
59 
60    return 1;
61 }
62 
63 void
evas_software_gdi_shutdown(Outbuf * buf)64 evas_software_gdi_shutdown(Outbuf *buf)
65 {
66    if (!buf)
67      return;
68 
69    free(buf->priv.gdi.bitmap_info);
70    ReleaseDC(buf->priv.gdi.window, buf->priv.gdi.dc);
71    if (buf->priv.gdi.regions)
72      DeleteObject(buf->priv.gdi.regions);
73 }
74 
75 void
evas_software_gdi_bitmap_resize(Outbuf * buf)76 evas_software_gdi_bitmap_resize(Outbuf *buf)
77 {
78    buf->priv.gdi.bitmap_info->bih.biWidth = buf->width;
79    buf->priv.gdi.bitmap_info->bih.biHeight = -buf->height;
80    buf->priv.gdi.bitmap_info->bih.biSizeImage = 4 * buf->width * buf->height;
81 }
82