Bug 461860 - windows mobile fixes in gfx r+sr=vlad

gfx/cairo/README

@@ -34,6 +34,8 @@ win32-ddb-dib.patch: fix for bug 455513; not upstream yet pending feebdack
 
 qpainter-type.patch: add SURFACE_TYPE_QPAINTER to cairo.h
 
+wince-fixes.patch: stubs out win32 functions we use but are not supported on win32.  Also implements ExtSelectClipRgn in terms of other functions available on wince.
+
 ==== pixman patches ====
 
 endian.patch: include cairo-platform.h for endian macros

gfx/cairo/cairo/src/cairo-win32-private.h

@@ -194,4 +194,22 @@ _cairo_win32_scaled_font_is_type1 (cairo_scaled_font_t *scaled_font);
 cairo_bool_t
 _cairo_win32_scaled_font_is_bitmap (cairo_scaled_font_t *scaled_font);
 
+#ifdef WINCE
+
+// These are the required stubs for windows mobile
+#define ETO_GLYPH_INDEX 0
+#define ETO_PDY 0
+#define HALFTONE COLORONCOLOR
+#define GM_ADVANCED 2
+#define MWT_IDENTITY 1
+
+inline int SetGraphicsMode(HDC hdc, int iMode) {return 1;}
+inline int GetGraphicsMode(HDC hdc)            {return 1;} /*GM_COMPATIBLE*/
+inline void GdiFlush()                         {}
+inline BOOL SetWorldTransform(HDC hdc, CONST XFORM *lpXform) { return FALSE; }
+inline BOOL GetWorldTransform(HDC hdc, LPXFORM lpXform )     { return FALSE; }
+inline BOOL ModifyWorldTransform(HDC hdc, CONST XFORM * lpxf, DWORD mode) { return 1; }
+
+#endif
+
 #endif /* CAIRO_WIN32_PRIVATE_H */

gfx/cairo/cairo/src/cairo-win32-surface.c

@@ -1591,8 +1591,25 @@ _cairo_win32_surface_set_clip_region (void           *abstract_surface,
 		return _cairo_error (CAIRO_STATUS_NO_MEMORY);
 
 	    /* AND the new region into our DC */
+
+#ifndef WINCE
 	    if (ExtSelectClipRgn (surface->dc, gdi_region, RGN_AND) == ERROR)
 		status = _cairo_win32_print_gdi_error ("_cairo_win32_surface_set_clip_region");
+#else
+	    // The ExtSelectClipRgn function combines the specified
+	    // region with the current clipping region using the
+	    // specified mode.  Here we do similar using basic 
+	    // functions available on WINCE.
+	    {
+	      HRGN currentClip, newClip;
+	      GetClipRgn(surface->dc, &currentClip);
+	      
+	      if (CombineRgn(newClip, currentClip, gdi_region, RGN_AND) != ERROR) {
+	        SelectClipRgn(surface->dc, newClip);
+	        DeleteObject(newClip);
+	      }
+	    }
+#endif
 
 	    DeleteObject (gdi_region);
 	}
@@ -1629,7 +1646,7 @@ _cairo_win32_surface_show_glyphs (void			*surface,
 				  cairo_scaled_font_t	*scaled_font,
 				  int			*remaining_glyphs)
 {
-#if CAIRO_HAS_WIN32_FONT
+#if defined(CAIRO_HAS_WIN32_FONT) && !defined(WINCE)
     cairo_win32_surface_t *dst = surface;
 
     WORD glyph_buf_stack[STACK_GLYPH_SIZE];

gfx/cairo/wince-fixes.patch

@@ -0,0 +1,64 @@
+diff --git a/gfx/cairo/cairo/src/cairo-win32-private.h b/gfx/cairo/cairo/src/cairo-win32-private.h
+--- a/gfx/cairo/cairo/src/cairo-win32-private.h
++++ b/gfx/cairo/cairo/src/cairo-win32-private.h
+@@ -194,4 +194,22 @@
+ cairo_bool_t
+ _cairo_win32_scaled_font_is_bitmap (cairo_scaled_font_t *scaled_font);
+ 
++#ifdef WINCE
++
++// These are the required stubs for windows mobile
++#define ETO_GLYPH_INDEX 0
++#define ETO_PDY 0
++#define HALFTONE COLORONCOLOR
++#define GM_ADVANCED 2
++#define MWT_IDENTITY 1
++
++inline int SetGraphicsMode(HDC hdc, int iMode) {return 1;}
++inline int GetGraphicsMode(HDC hdc)            {return 1;} /*GM_COMPATIBLE*/
++inline void GdiFlush()                         {}
++inline BOOL SetWorldTransform(HDC hdc, CONST XFORM *lpXform) { return FALSE; }
++inline BOOL GetWorldTransform(HDC hdc, LPXFORM lpXform )     { return FALSE; }
++inline BOOL ModifyWorldTransform(HDC hdc, CONST XFORM * lpxf, DWORD mode) { return 1; }
++
++#endif
++
+ #endif /* CAIRO_WIN32_PRIVATE_H */
+diff --git a/gfx/cairo/cairo/src/cairo-win32-surface.c b/gfx/cairo/cairo/src/cairo-win32-surface.c
+--- a/gfx/cairo/cairo/src/cairo-win32-surface.c
++++ b/gfx/cairo/cairo/src/cairo-win32-surface.c
+@@ -1591,8 +1591,25 @@
+ 		return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+ 
+ 	    /* AND the new region into our DC */
++
++#ifndef WINCE
+ 	    if (ExtSelectClipRgn (surface->dc, gdi_region, RGN_AND) == ERROR)
+ 		status = _cairo_win32_print_gdi_error ("_cairo_win32_surface_set_clip_region");
++#else
++	    // The ExtSelectClipRgn function combines the specified
++	    // region with the current clipping region using the
++	    // specified mode.  Here we do similar using basic 
++	    // functions available on WINCE.
++	    {
++	      HRGN currentClip, newClip;
++	      GetClipRgn(surface->dc, &currentClip);
++	      
++	      if (CombineRgn(newClip, currentClip, gdi_region, RGN_AND) != ERROR) {
++	        SelectClipRgn(surface->dc, newClip);
++	        DeleteObject(newClip);
++	      }
++	    }
++#endif
+ 
+ 	    DeleteObject (gdi_region);
+ 	}
+@@ -1629,7 +1646,7 @@
+ 				  cairo_scaled_font_t	*scaled_font,
+ 				  int			*remaining_glyphs)
+ {
+-#if CAIRO_HAS_WIN32_FONT
++#if defined(CAIRO_HAS_WIN32_FONT) && !defined(WINCE)
+     cairo_win32_surface_t *dst = surface;
+ 
+     WORD glyph_buf_stack[STACK_GLYPH_SIZE];

gfx/src/thebes/nsThebesDeviceContext.cpp

@@ -78,7 +78,9 @@ static nsSystemFontsGTK2 *gSystemFonts = nsnull;
 #include "gfxWindowsSurface.h"
 #include "gfxPDFSurface.h"
 static nsSystemFontsWin *gSystemFonts = nsnull;
+#ifndef WINCE
 #include <usp10.h>
+#endif
 #elif defined(XP_OS2)
 #include "nsSystemFontsOS2.h"
 #include "gfxPDFSurface.h"
@@ -129,7 +131,7 @@ nsThebesDeviceContext::nsThebesDeviceContext()
 
     mWidgetSurfaceCache.Init();
 
-#ifdef XP_WIN
+#if defined(XP_WIN) && !defined(WINCE)
     SCRIPT_DIGITSUBSTITUTE sds;
     ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &sds);
 #endif

gfx/src/thebes/nsThebesImage.cpp

@@ -693,7 +693,12 @@ nsThebesImage::Draw(gfxContext*        aContext,
 PRBool
 nsThebesImage::ShouldUseImageSurfaces()
 {
-#ifdef XP_WIN
+#if defined(WINCE)
+    // There is no test on windows mobile to check for Gui resources.
+    // Allocate, until we run out of memory.
+    return PR_TRUE;
+
+#elif defined(XP_WIN)
     static const DWORD kGDIObjectsHighWaterMark = 7000;
 
     // at 7000 GDI objects, stop allocating normal images to make sure

gfx/thebes/public/gfxWindowsSurface.h

@@ -90,4 +90,22 @@ private:
     HWND mWnd;
 };
 
+#ifdef WINCE
+
+// These are the required stubs for windows mobile
+#define ETO_GLYPH_INDEX 0
+#define ETO_PDY 0
+#define HALFTONE COLORONCOLOR
+#define GM_ADVANCED 2
+#define MWT_IDENTITY 1
+
+inline int SetGraphicsMode(HDC hdc, int iMode) {return 1;}
+inline int GetGraphicsMode(HDC hdc)            {return 1;} /*GM_COMPATIBLE*/
+inline void GdiFlush()                         {}
+inline BOOL SetWorldTransform(HDC hdc, CONST XFORM *lpXform) { return FALSE; }
+inline BOOL GetWorldTransform(HDC hdc, LPXFORM lpXform )     { return FALSE; }
+inline BOOL ModifyWorldTransform(HDC hdc, CONST XFORM * lpxf, DWORD mode) { return 1; }
+
+#endif
+
 #endif /* GFX_WINDOWSSURFACE_H */

gfx/thebes/src/gfxWindowsPlatform.cpp

@@ -886,6 +886,7 @@ gfxWindowsPlatform::FindFontEntry(const nsAString& aName, const gfxFontStyle& aF
 cmsHPROFILE
 gfxWindowsPlatform::GetPlatformCMSOutputProfile()
 {
+#ifndef WINCE
     WCHAR str[1024+1];
     DWORD size = 1024;
 
@@ -902,6 +903,9 @@ gfxWindowsPlatform::GetPlatformCMSOutputProfile()
                 NS_ConvertUTF16toUTF8(str).get());
 #endif
     return profile;
+#else
+    return nsnull;
+#endif
 }
 
 PRBool