void
win_emoji_show(int x, int y, wchar * efn, int elen, ushort lattr)
{
GpStatus s;
static GdiplusStartupInput gi = (GdiplusStartupInput){1, NULL, FALSE, FALSE};
static ULONG_PTR gis = 0;
if (!gis) {
s = GdiplusStartup(&gis, &gi, NULL);
gpcheck("startup", s);
}
bool use_stream = true;
IStream * fs = 0;
if (use_stream) {
s = GdipCreateStreamOnFile(efn, 0 /* FileMode.Open */, &fs);
gpcheck("stream", s);
}
else
s = NotImplemented;
GpImage * img = 0;
if (s == Ok) {
s = GdipLoadImageFromStream(fs, &img);
gpcheck("load stream", s);
}
else {
// This is reported to generate a memory leak, so rather use the stream.
s = GdipLoadImageFromFile(efn, &img);
gpcheck("load file", s);
}
int col = PADDING + x * cell_width;
int row = PADDING + y * cell_height;
if ((lattr & LATTR_MODE) >= LATTR_BOT)
row -= cell_height;
int w = elen * cell_width;
if ((lattr & LATTR_MODE) != LATTR_NORM)
w *= 2;
int h = cell_height;
if ((lattr & LATTR_MODE) >= LATTR_TOP)
h *= 2;
if (cfg.emoji_placement) {
uint iw, ih;
s = GdipGetImageWidth(img, &iw);
gpcheck("width", s);
s = GdipGetImageHeight(img, &ih);
gpcheck("height", s);
// consider aspect ratio so that ih/iw == h/w;
// if EMPL_FULL, always adjust w
// if ih/iw > h/w, make w smaller
// if iw/ih > w/h, make h smaller
if (cfg.emoji_placement == EMPL_FULL && ih * w != h * iw) {
w = h * iw / ih;
}
else if (ih * w > h * iw) {
int w0 = w;
w = h * iw / ih;
if (cfg.emoji_placement == EMPL_MIDDLE) {
// horizontally center
col += (w0 - w) / 2;
}
}
else if (iw * h > w * ih) {
int h0 = h;
h = w * ih / iw;
// vertically center
row += (h0 - h) / 2;
}
}
GpGraphics * gr;
s = GdipCreateFromHDC(GetDC(wnd), &gr);
gpcheck("hdc", s);
s = GdipDrawImageRectI(gr, img, col, row, w, h);
gpcheck("draw", s);
s = GdipFlush(gr, FlushIntentionFlush);
gpcheck("flush", s);
s = GdipDeleteGraphics(gr);
gpcheck("delete gr", s);
s = GdipDisposeImage(img);
gpcheck("dispose img", s);
if (fs) {
// Release stream resources, close file.
fs->lpVtbl->Release(fs);
}
}
kExitCode LoadBitmapFromResource(HRSRC* p_hrsrc, HGLOBAL* p_buf, GpBitmap** pp_bitmap, DWORD rcid) {
*p_hrsrc = NULL;
*p_buf = NULL;
*p_hrsrc = FindResource(NULL, MAKEINTRESOURCE(rcid), MAKEINTRESOURCE(RT_RCDATA));
if (*p_hrsrc == NULL) {
return (kFailGuiSplashGfxInit);
}
DWORD size = SizeofResource(NULL, *p_hrsrc);
if (!size) {
return (kFailGuiSplashGfxInit);
}
*p_buf = GlobalAlloc(GMEM_MOVEABLE, size);
if (*p_buf == NULL) {
return (kFailGuiSplashGfxInit);
}
void* buf = GlobalLock(*p_buf);
if (buf == NULL) {
return (kFailGuiSplashGfxInit);
}
void* res_data = LockResource(LoadResource(NULL, *p_hrsrc));
if (res_data == NULL) {
return (kFailGuiSplashGfxInit);
}
memcpy(buf, res_data, size);
IStream* stream = NULL;
if (CreateStreamOnHGlobal(buf, FALSE, &stream) != S_OK) {
return (kFailGuiSplashGfxInit);
}
GdipLoadImageFromStream(stream, pp_bitmap);
return (kSuccess);
}