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GDI+ load font from memory added

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There is new user function: `nk_gdipfont_create_mem`. Added `fontCollection` member to `gdip` structure to automatically clean it up at execution end.
This commit is contained in:
Dmitry Hrabrov 2017-01-07 16:16:03 +03:00 committed by GitHub
parent 7ab7327fa4
commit 24f4e3f288
1 changed files with 33 additions and 0 deletions
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33
demo/gdip/nuklear_gdip.h
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@ -19,6 +19,7 @@
/* font */
typedef struct GdipFont GdipFont;
NK_API GdipFont* nk_gdipfont_create(const char *name, int size);
NK_API GdipFont* nk_gdipfont_create_mem(unsigned char *membuf, int membufSize, int size);
NK_API void nk_gdipfont_del(GdipFont *font);
NK_API struct nk_context* nk_gdip_init(HWND hwnd, unsigned int width, unsigned int height);
@ -266,6 +267,21 @@ GdipSetStringFormatFlags(GpStringFormat *format, INT flags);
GpStatus WINGDIPAPI
GdipDeleteStringFormat(GpStringFormat *format);
GpStatus WINGDIPAPI
GdipPrivateAddMemoryFont(GpFontCollection* fontCollection,
GDIPCONST void* memory, INT length);
GpStatus WINGDIPAPI
GdipNewPrivateFontCollection(GpFontCollection** fontCollection);
GpStatus WINGDIPAPI
GdipDeletePrivateFontCollection(GpFontCollection** fontCollection);
GpStatus WINGDIPAPI
GdipGetFontCollectionFamilyList(GpFontCollection* fontCollection,
INT numSought, GpFontFamily* gpfamilies[], INT* numFound);
/* graphics */
@ -377,6 +393,7 @@ static struct {
GpPen *pen;
GpSolidFill *brush;
GpStringFormat *format;
GpFontCollection *fontCollection;
struct nk_context ctx;
} gdip;
@ -633,6 +650,20 @@ nk_gdipfont_create(const char *name, int size)
return font;
}
GdipFont*
nk_gdipfont_create_mem(unsigned char *membuf, int membufSize, int size)
{
GdipFont *font = (GdipFont*)calloc(1, sizeof(GdipFont));
GpFontFamily *families[1];
INT numFound;
if( GdipNewPrivateFontCollection(&gdip.fontCollection) ) return NULL;
if( GdipPrivateAddMemoryFont(gdip.fontCollection, membuf, membufSize) ) return NULL;
if( GdipGetFontCollectionFamilyList(gdip.fontCollection, 1, families, &numFound) ) return NULL;
if( GdipCreateFont(families[0], (REAL)size, FontStyleRegular, UnitPixel, &font->handle) ) return NULL;
return font;
}
static float
nk_gdipfont_get_text_width(nk_handle handle, float height, const char *text, int len)
{
@ -767,6 +798,7 @@ nk_gdip_init(HWND hwnd, unsigned int width, unsigned int height)
StringFormatFlagsMeasureTrailingSpaces | StringFormatFlagsNoWrap |
StringFormatFlagsNoClip);
gdip.fontCollection = NULL;
nk_init_default(&gdip.ctx, NULL);
gdip.ctx.clip.copy = nk_gdip_clipbard_copy;
gdip.ctx.clip.paste = nk_gdip_clipbard_paste;
@ -969,6 +1001,7 @@ nk_gdip_handle_event(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam)
NK_API void
nk_gdip_shutdown(void)
{
GdipDeletePrivateFontCollection( &gdip.fontCollection );
GdipDeleteGraphics(gdip.window);
GdipDeleteGraphics(gdip.memory);
GdipDisposeImage(gdip.bitmap);