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Merge pull request #529 from DeXP/gdip-fonts 

GDI+ multiple fonts support
This commit is contained in:
Micha Mettke 2017-10-04 21:41:41 +02:00 committed by GitHub
parent e24b8ca2ba 49c3bcd0c6
commit ed57400644
1 changed files with 33 additions and 13 deletions
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46
demo/gdip/nuklear_gdip.h
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@ -1,5 +1,5 @@
/*
* Nuklear - 1.32.0 - public domain
* Nuklear - 1.40.8 - public domain
* no warrenty implied; use at your own risk.
* authored from 2015-2017 by Micha Mettke
*/
@ -388,6 +388,8 @@ GdipMeasureString(
GpStatus WINGDIPAPI
GdipSetTextRenderingHint(GpGraphics *graphics, TextRenderingHint mode);
LWSTDAPI_(IStream *) SHCreateMemStream(const BYTE *pInit, _In_ UINT cbInit);
struct GdipFont
{
struct nk_user_font nk;
@ -403,7 +405,8 @@ static struct {
GpPen *pen;
GpSolidFill *brush;
GpStringFormat *format;
GpFontCollection *fontCollection;
GpFontCollection *fontCollection[10];
INT curFontCollection;
struct nk_context ctx;
} gdip;
@ -669,36 +672,42 @@ nk_gdipfont_create(const char *name, int size)
return font;
}
GpFontCollection*
nk_gdip_getCurFontCollection(){
return gdip.fontCollection[gdip.curFontCollection];
}
GdipFont*
nk_gdipfont_create_from_collection(int size){
GpFontFamily **families;
INT count;
GdipFont *font = (GdipFont*)calloc(1, sizeof(GdipFont));
if( GdipGetFontCollectionFamilyCount(gdip.fontCollection, &count) ) return NULL;
if( GdipGetFontCollectionFamilyCount(nk_gdip_getCurFontCollection(), &count) ) return NULL;
families = (GpFontFamily**)calloc(1, sizeof(GpFontFamily*));
if( !families ) return NULL;
if( GdipGetFontCollectionFamilyList(gdip.fontCollection, count, families, &count) ) return NULL;
if( GdipGetFontCollectionFamilyList(nk_gdip_getCurFontCollection(), count, families, &count) ) return NULL;
if( count < 1 ) return NULL;
if( GdipCreateFont(families[count-1], (REAL)size, FontStyleRegular, UnitPixel, &font->handle) ) return NULL;
free(families);
gdip.curFontCollection++;
return font;
}
GdipFont*
nk_gdipfont_create_from_memory(const void* membuf, int membufSize, int size)
{
if( !gdip.fontCollection )
if( GdipNewPrivateFontCollection(&gdip.fontCollection) ) return NULL;
if( GdipPrivateAddMemoryFont(gdip.fontCollection, membuf, membufSize) ) return NULL;
if( !nk_gdip_getCurFontCollection() )
if( GdipNewPrivateFontCollection(&gdip.fontCollection[gdip.curFontCollection]) ) return NULL;
if( GdipPrivateAddMemoryFont(nk_gdip_getCurFontCollection(), membuf, membufSize) ) return NULL;
return nk_gdipfont_create_from_collection(size);
}
GdipFont*
nk_gdipfont_create_from_file(const WCHAR* filename, int size)
{
if( !gdip.fontCollection )
if( GdipNewPrivateFontCollection(&gdip.fontCollection) ) return NULL;
if( GdipPrivateAddFontFile(gdip.fontCollection, filename) ) return NULL;
if( !nk_gdip_getCurFontCollection() )
if( GdipNewPrivateFontCollection(&gdip.fontCollection[gdip.curFontCollection]) ) return NULL;
if( GdipPrivateAddFontFile(nk_gdip_getCurFontCollection(), filename) ) return NULL;
return nk_gdipfont_create_from_collection(size);
}
@ -823,6 +832,7 @@ nk_gdip_clipbard_copy(nk_handle usr, const char *text, int len)
NK_API struct nk_context*
nk_gdip_init(HWND hwnd, unsigned int width, unsigned int height)
{
int i;
GdiplusStartupInput startup = { 1, NULL, FALSE, TRUE };
GdiplusStartup(&gdip.token, &startup, NULL);
@ -836,10 +846,12 @@ nk_gdip_init(HWND hwnd, unsigned int width, unsigned int height)
StringFormatFlagsMeasureTrailingSpaces | StringFormatFlagsNoWrap |
StringFormatFlagsNoClip);
gdip.fontCollection = NULL;
for(i=0; i< sizeof(gdip.fontCollection)/sizeof(gdip.fontCollection[0]); i++)
gdip.fontCollection[i] = NULL;
nk_init_default(&gdip.ctx, NULL);
gdip.ctx.clip.copy = nk_gdip_clipbard_copy;
gdip.ctx.clip.paste = nk_gdip_clipbard_paste;
gdip.curFontCollection = 0;
return &gdip.ctx;
}
@ -1044,7 +1056,9 @@ nk_gdip_handle_event(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam)
NK_API void
nk_gdip_shutdown(void)
{
GdipDeletePrivateFontCollection( &gdip.fontCollection );
int i;
for(i=0; i< gdip.curFontCollection; i++)
GdipDeletePrivateFontCollection( &gdip.fontCollection[i] );
GdipDeleteGraphics(gdip.window);
GdipDeleteGraphics(gdip.memory);
GdipDisposeImage(gdip.bitmap);
@ -1057,7 +1071,7 @@ nk_gdip_shutdown(void)
}
NK_API void
nk_gdip_render_gui(enum nk_anti_aliasing AA)
nk_gdip_prerender_gui(enum nk_anti_aliasing AA)
{
const struct nk_command *cmd;
@ -1141,6 +1155,12 @@ nk_gdip_render_gui(enum nk_anti_aliasing AA)
default: break;
}
}
}
NK_API void
nk_gdip_render_gui(enum nk_anti_aliasing AA)
{
nk_gdip_prerender_gui(AA);
nk_gdip_blit(gdip.window);
nk_clear(&gdip.ctx);
}