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authorscuri <scuri>2008-10-17 06:10:33 +0000
committerscuri <scuri>2008-10-17 06:10:33 +0000
commit7b52cc13af4e85f1ca2deb6b6c77de9c95ea0dcf (patch)
treed0857278bde2eff784227c57dcaf930346ceb7ac /src/gdiplus/cdwemfp.cpp
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/gdiplus/cdwemfp.cpp')
-rw-r--r--src/gdiplus/cdwemfp.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/gdiplus/cdwemfp.cpp b/src/gdiplus/cdwemfp.cpp
new file mode 100644
index 0000000..38b4200
--- /dev/null
+++ b/src/gdiplus/cdwemfp.cpp
@@ -0,0 +1,105 @@
+/** \file
+ * \brief Windows GDI+ EMF Driver
+ *
+ * See Copyright Notice in cd.h
+ */
+
+#include "cdwinp.h"
+#include "cdemf.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+
+
+static void cdkillcanvas (cdCtxCanvas* ctxcanvas)
+{
+ cdwpKillCanvas(ctxcanvas);
+ delete ctxcanvas->metafile;
+ delete ctxcanvas;
+}
+
+/*
+%F cdCreateCanvas para EMF.
+O DC é um EMF em memoria.
+*/
+static void cdcreatecanvas(cdCanvas* canvas, void* data)
+{
+ char* strdata = (char*)data;
+ char filename[10240] = "";
+ Metafile* metafile;
+
+ /* Inicializa parametros */
+ if (strdata == NULL)
+ return;
+
+ strdata += cdGetFileName(strdata, filename);
+ if (filename[0] == 0)
+ return;
+
+ int w = 0, h = 0;
+ sscanf(strdata,"%dx%d", &w, &h);
+ if (w == 0 || h == 0)
+ return;
+
+ {
+ /* Verifica se o arquivo pode ser aberto para escrita */
+ FILE* file = fopen(filename, "wb");
+ if (file == NULL)
+ return;
+ fclose(file);
+ }
+
+ {
+ HDC ScreenDC = GetDC(NULL);
+ /* LOGPIXELS can not be used for EMF */
+ canvas->xres = (double)GetDeviceCaps(ScreenDC, HORZRES) / (double)GetDeviceCaps(ScreenDC, HORZSIZE);
+ canvas->yres = (double)GetDeviceCaps(ScreenDC, VERTRES) / (double)GetDeviceCaps(ScreenDC, VERTSIZE);
+
+ Rect frameRect(0, 0, (int)(100 * w / canvas->xres), (int)(100 * h / canvas->yres));
+
+ metafile = new Metafile(cdwpString2Unicode(filename, strlen(filename)),
+ ScreenDC, frameRect, MetafileFrameUnitGdi, EmfTypeEmfPlusDual, NULL);
+
+ ReleaseDC(NULL, ScreenDC);
+ }
+
+ canvas->w = w;
+ canvas->h = h;
+ canvas->bpp = 24;
+
+ Graphics* graphics = new Graphics(metafile);
+
+ /* Inicializa driver WIN32 */
+ cdCtxCanvas* ctxcanvas = cdwpCreateCanvas(canvas, graphics, CDW_EMF);
+
+ /* Inicializacao de variaveis particulares para o EMF */
+ ctxcanvas->metafile = metafile;
+}
+
+static void cdinittable(cdCanvas* canvas)
+{
+ cdwpInitTable(canvas);
+
+ canvas->cxKillCanvas = cdkillcanvas;
+}
+
+static cdContext cdEMFContext =
+{
+ CD_CAP_ALL & ~(CD_CAP_CLEAR | CD_CAP_PLAY | CD_CAP_FLUSH | CD_CAP_YAXIS |
+ CD_CAP_FPRIMTIVES |
+ CD_CAP_GETIMAGERGB | CD_CAP_IMAGESRV),
+ 1,
+ cdcreatecanvas,
+ cdinittable,
+ NULL,
+ NULL
+};
+
+extern "C" {
+cdContext* cdContextEMFPlus(void)
+{
+ return &cdEMFContext;
+}
+}
+
+