bool platform_support::load_img_from_dc(unsigned idx, HDC hdc)
{
if(idx < max_images)
{
#ifndef _MG_MINIMALGRAF
if(m_specific->m_surf_img[idx])
UnloadBitmap(m_specific->m_surf_img[idx]);
else
m_specific->m_surf_img[idx] = (PBITMAP)calloc(1, sizeof(BITMAP));
#endif
#if 0
if (LoadBitmapFromMem(m_specific->m_surf_window,
m_specific->m_surf_img[idx],
(const void *)LockDC(hdc, NULL, NULL, NULL, NULL),
0,
"bmp") != 0)
#else
HDC tmpdc = CreateCompatibleDC(m_specific->m_surf_window);
if(tmpdc == HDC_INVALID)
return false;
BitBlt(hdc, 0, 0, 0, 0, tmpdc, 0, 0, 0);
if ( !GetBitmapFromDC(tmpdc,
0, 0, 240, 320,
m_specific->m_surf_img[idx]) )
#endif
{
DeleteCompatibleDC(tmpdc);
return false;
}
DeleteCompatibleDC(tmpdc);
#if 0
FillBoxWithBitmap(HDC_SCREEN, 350, 0, 0, 0,
m_specific->m_surf_img[idx]);
//BitBlt(hdc, 0, 0, 0, 0, HDC_SCREEN, 500, 0, true);
#endif
#if 0
printf("load img: w=%d, h=%d, pitch=%d, pixels=%x\n",
m_specific->m_surf_img[idx]->bmWidth,
m_specific->m_surf_img[idx]->bmHeight,
m_specific->m_surf_img[idx]->bmPitch,
m_specific->m_surf_img[idx]->bmBits);
#endif
m_rbuf_img[idx].attach(m_specific->m_surf_img[idx]->bmBits,
m_specific->m_surf_img[idx]->bmWidth,
m_specific->m_surf_img[idx]->bmHeight,
m_flip_y?(-m_specific->m_surf_img[idx]->bmPitch):
m_specific->m_surf_img[idx]->bmPitch);
return true;
}
return false;
}
static int PlatformProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam)
{
switch (message) {
case MSG_CREATE:
{
if (!hmWnd)
hmWnd = hWnd;
unsigned char* pdr = 0;
int w,h,p;
RECT r;
key_down = FALSE;
GetClientRect(hWnd, &r);
#if RGB555
sdc = CreateMemDC(width, height, 16, MEMDC_FLAG_SWSURFACE, 0x7C00, 0x3E0, 0x1F, 0x8000);
#else
sdc = CreateMemDC(width, height, 16, MEMDC_FLAG_SWSURFACE, 0xF800, 0x7E0, 0x1F, 0x00);
#endif
pdr = LockDC(sdc, &r, &w, &h, &p);
UnlockDC(sdc);
#if RGB555
fmt = COLOR_FORMAT_RGB555;
#else
fmt = COLOR_FORMAT_RGB565;
#endif
ps_initialize();
canvas = ps_canvas_create_with_data(pdr, fmt, w, h, p);
context = ps_context_create(canvas, 0);
on_init(context, width, height);
}
break;
case MSG_TIMER:
on_timer();
break;
case MSG_PAINT:
{
HDC hdc = BeginPaint(hWnd);
on_draw(context);
BitBlt(sdc, 0, 0, width, height, hdc, 0, 0, 0);
EndPaint(hWnd, hdc);
}
return 0;
case MSG_ERASEBKGND:
return 0;
case MSG_LBUTTONDOWN:
{
key_down = TRUE;
on_mouse_event(LEFT_BUTTON_DOWN, key_conv(wParam), LOSWORD(lParam), HISWORD(lParam));
}
break;
case MSG_LBUTTONUP:
{
key_down = FALSE;
on_mouse_event(LEFT_BUTTON_UP, key_conv(wParam), LOSWORD(lParam), HISWORD(lParam));
}
break;
case MSG_MOUSEMOVE:
{
DWORD k = key_conv(wParam);
if (key_down)
k |= EVT_LBUTTON;
on_mouse_event(MOUSE_MOVE, k, LOSWORD(lParam), HISWORD(lParam));
}
break;
case MSG_KEYDOWN:
on_key_event(KEY_EVENT_DOWN, get_virtual_key(wParam));
break;
case MSG_KEYUP:
on_key_event(KEY_EVENT_UP, get_virtual_key(wParam));
break;
case MSG_SIZECHANGED:
{
RECT r;
int w,h,p;
unsigned char* pdr = 0;
ps_canvas* old_canvas = 0;
RECT* rc = (RECT*)lParam;
width = RECTWP(rc);
height = RECTHP(rc);
if (sdc)
DeleteMemDC(sdc);
if (width < 1)
width = 1;
if (height < 1)
height = 1;
#if RGB555
sdc = CreateMemDC(width, height, 16, MEMDC_FLAG_SWSURFACE, 0x7C00, 0x3E0, 0x1F, 0x8000);
#else
sdc = CreateMemDC(width, height, 16, MEMDC_FLAG_SWSURFACE, 0xF800, 0x7E0, 0x1F, 0x00);
#endif
GetClientRect(hWnd, &r);
pdr = LockDC(sdc, &r, &w, &h, &p);
UnlockDC(sdc);
canvas = ps_canvas_create_with_data(pdr, fmt, w, h, p);
old_canvas = ps_context_set_canvas(context, canvas);
ps_canvas_unref(old_canvas);
on_size(width, height);
}
break;
case MSG_CLOSE:
on_term(context);
ps_context_unref(context);
ps_canvas_unref(canvas);
ps_shutdown();
DeleteMemDC(sdc);
DestroyMainWindow (hWnd);
PostQuitMessage (hWnd);
return 0;
}
return DefaultMainWinProc(hWnd, message, wParam, lParam);
}
//------------------------------------------------------------------------
bool platform_support::init(unsigned width, unsigned height, unsigned flags)
{
m_window_flags = flags;
unsigned wflags = MEMDC_FLAG_SWSURFACE;
if(m_window_flags & window_hw_buffer)
{
wflags = MEMDC_FLAG_HWSURFACE;
}
/*
if(m_window_flags & window_resize)
{
wflags |= GAL_RESIZABLE;
}
*/
//SDL_WM_SetCaption(m_caption, 0);
if(m_specific->m_surf_window)
DeleteMemDC(m_specific->m_surf_window);
#if 0
printf("init memdc: w=%d, h=%d, m_bpp=%d, wflags=%d\n", width, height, m_bpp, wflags);
printf("init memdc: m_rmask=%x, m_gmask=%x, m_bmask=%x, m_amask=%x\n",
m_specific->m_rmask,
m_specific->m_gmask,
m_specific->m_bmask,
m_specific->m_amask);
#endif
m_specific->m_surf_window = CreateMemDC(
width,
height,
m_bpp,
wflags,
m_specific->m_rmask,
m_specific->m_gmask,
m_specific->m_bmask,
m_specific->m_amask);
if(m_specific->m_surf_window == 0)
{
fprintf(stderr,
"Unable to create image buffer %dx%d %d bpp: %s\n",
width,
height,
m_bpp,
//SDL_GetError());
"failed");
return false;
}
int pitch = width * (m_bpp/8);
//printf("init, pitch=%d\n", pitch);
#if 0
m_rbuf_window.attach((unsigned char*)PIXEL(SURFACE(m_specific->m_surf_window)),
width,
height,
m_flip_y ? -pitch:pitch);
#else
m_rbuf_window.attach((unsigned char*)LockDC(m_specific->m_surf_window, NULL, NULL, NULL, NULL),
width,
height,
m_flip_y ? -pitch:pitch);
#endif
if(!m_specific->m_initialized)
{
m_initial_width = width;
m_initial_height = height;
on_init();
m_specific->m_initialized = true;
}
on_resize(m_rbuf_window.width(), m_rbuf_window.height());
m_specific->m_update_flag = true;
return true;
}
