Vincent Povirk : gdiplus: Implement writing Clear operation to metafiles.
Alexandre Julliard
julliard at winehq.org
Sun Jul 3 12:18:28 CDT 2016
Module: wine
Branch: master
Commit: 5c6247f7e25e566afa34aa8253f1985b9f6b91a7
URL: http://source.winehq.org/git/wine.git/?a=commit;h=5c6247f7e25e566afa34aa8253f1985b9f6b91a7
Author: Vincent Povirk <vincent at codeweavers.com>
Date: Fri Jun 24 12:51:41 2016 -0500
gdiplus: Implement writing Clear operation to metafiles.
Signed-off-by: Vincent Povirk <vincent at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/gdiplus/gdiplus_private.h | 1 +
dlls/gdiplus/graphics.c | 3 ++
dlls/gdiplus/metafile.c | 27 +++++++++++++
dlls/gdiplus/tests/metafile.c | 90 ++++++++++++++++++++++++++++++++++++++++++
4 files changed, 121 insertions(+)
diff --git a/dlls/gdiplus/gdiplus_private.h b/dlls/gdiplus/gdiplus_private.h
index 8924ae6..e21085f 100644
--- a/dlls/gdiplus/gdiplus_private.h
+++ b/dlls/gdiplus/gdiplus_private.h
@@ -86,6 +86,7 @@ extern GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics) DECLS
extern GpStatus METAFILE_GetGraphicsContext(GpMetafile* metafile, GpGraphics **result) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_GetDC(GpMetafile* metafile, HDC *hdc) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_ReleaseDC(GpMetafile* metafile, HDC hdc) DECLSPEC_HIDDEN;
+extern GpStatus METAFILE_GraphicsClear(GpMetafile* metafile, ARGB color) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_FillRectangles(GpMetafile* metafile, GpBrush* brush,
GDIPCONST GpRectF* rects, INT count) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_SetPageTransform(GpMetafile* metafile, GpUnit unit, REAL scale) DECLSPEC_HIDDEN;
diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index 58d59fe..37990cf 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -4379,6 +4379,9 @@ GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
if(graphics->busy)
return ObjectBusy;
+ if (graphics->image && graphics->image->type == ImageTypeMetafile)
+ return METAFILE_GraphicsClear((GpMetafile*)graphics->image, color);
+
if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
return stat;
diff --git a/dlls/gdiplus/metafile.c b/dlls/gdiplus/metafile.c
index ca8aac4..2a5d830 100644
--- a/dlls/gdiplus/metafile.c
+++ b/dlls/gdiplus/metafile.c
@@ -57,6 +57,12 @@ typedef struct EmfPlusHeader
DWORD LogicalDpiY;
} EmfPlusHeader;
+typedef struct EmfPlusClear
+{
+ EmfPlusRecordHeader Header;
+ DWORD Color;
+} EmfPlusClear;
+
typedef struct EmfPlusFillRects
{
EmfPlusRecordHeader Header;
@@ -370,6 +376,27 @@ GpStatus METAFILE_GetDC(GpMetafile* metafile, HDC *hdc)
return Ok;
}
+GpStatus METAFILE_GraphicsClear(GpMetafile* metafile, ARGB color)
+{
+ if (metafile->metafile_type == MetafileTypeEmfPlusOnly || metafile->metafile_type == MetafileTypeEmfPlusDual)
+ {
+ EmfPlusClear *record;
+ GpStatus stat;
+
+ stat = METAFILE_AllocateRecord(metafile, sizeof(EmfPlusClear), (void**)&record);
+ if (stat != Ok)
+ return stat;
+
+ record->Header.Type = EmfPlusRecordTypeClear;
+ record->Header.Flags = 0;
+ record->Color = color;
+
+ METAFILE_WriteRecords(metafile);
+ }
+
+ return Ok;
+}
+
static BOOL is_integer_rect(const GpRectF *rect)
{
SHORT x, y, width, height;
diff --git a/dlls/gdiplus/tests/metafile.c b/dlls/gdiplus/tests/metafile.c
index 741f752..4686c41 100644
--- a/dlls/gdiplus/tests/metafile.c
+++ b/dlls/gdiplus/tests/metafile.c
@@ -862,6 +862,95 @@ static void test_fillrect(void)
expect(Ok, stat);
}
+static const emfplus_record clear_emf_records[] = {
+ {0, EMR_HEADER},
+ {0, EmfPlusRecordTypeHeader},
+ {0, EmfPlusRecordTypeClear},
+ {1, EMR_SAVEDC},
+ {1, EMR_SETICMMODE},
+ {1, EMR_BITBLT},
+ {1, EMR_RESTOREDC},
+ {0, EmfPlusRecordTypeEndOfFile},
+ {0, EMR_EOF},
+ {0}
+};
+
+static void test_clear(void)
+{
+ GpStatus stat;
+ GpMetafile *metafile;
+ GpGraphics *graphics;
+ HDC hdc;
+ HENHMETAFILE hemf;
+ static const GpRectF frame = {0.0, 0.0, 100.0, 100.0};
+ static const GpPointF dst_points[3] = {{10.0,10.0},{20.0,10.0},{10.0,20.0}};
+ static const WCHAR description[] = {'w','i','n','e','t','e','s','t',0};
+ GpBitmap *bitmap;
+ ARGB color;
+
+ hdc = CreateCompatibleDC(0);
+
+ stat = GdipRecordMetafile(hdc, EmfTypeEmfPlusOnly, &frame, MetafileFrameUnitPixel, description, &metafile);
+ expect(Ok, stat);
+
+ DeleteDC(hdc);
+
+ if (stat != Ok)
+ return;
+
+ stat = GdipGetHemfFromMetafile(metafile, &hemf);
+ expect(InvalidParameter, stat);
+
+ stat = GdipGetImageGraphicsContext((GpImage*)metafile, &graphics);
+ expect(Ok, stat);
+
+ stat = GdipGraphicsClear(graphics, 0xffffff00);
+ expect(Ok, stat);
+
+ stat = GdipDeleteGraphics(graphics);
+ expect(Ok, stat);
+
+ save_metafile(metafile, "clear.emf");
+
+ stat = GdipCreateBitmapFromScan0(30, 30, 0, PixelFormat32bppRGB, NULL, &bitmap);
+ expect(Ok, stat);
+
+ stat = GdipGetImageGraphicsContext((GpImage*)bitmap, &graphics);
+ expect(Ok, stat);
+
+ stat = GdipDrawImagePointsRect(graphics, (GpImage*)metafile, dst_points, 3,
+ 0.0, 0.0, 100.0, 100.0, UnitPixel, NULL, NULL, NULL);
+ expect(Ok, stat);
+
+ stat = GdipBitmapGetPixel(bitmap, 5, 5, &color);
+ expect(Ok, stat);
+ expect(0xff000000, color);
+
+ stat = GdipBitmapGetPixel(bitmap, 15, 15, &color);
+ expect(Ok, stat);
+ todo_wine expect(0xffffff00, color);
+
+ stat = GdipBitmapGetPixel(bitmap, 25, 25, &color);
+ expect(Ok, stat);
+ expect(0xff000000, color);
+
+ stat = GdipDeleteGraphics(graphics);
+ expect(Ok, stat);
+
+ stat = GdipDisposeImage((GpImage*)bitmap);
+ expect(Ok, stat);
+
+ stat = GdipGetHemfFromMetafile(metafile, &hemf);
+ expect(Ok, stat);
+
+ stat = GdipDisposeImage((GpImage*)metafile);
+ expect(Ok, stat);
+
+ check_emfplus(hemf, clear_emf_records, "clear emf");
+
+ DeleteEnhMetaFile(hemf);
+}
+
static void test_nullframerect(void) {
GpStatus stat;
GpMetafile *metafile;
@@ -1345,6 +1434,7 @@ START_TEST(metafile)
test_getdc();
test_emfonly();
test_fillrect();
+ test_clear();
test_nullframerect();
test_pagetransform();
test_converttoemfplus();
More information about the wine-cvs
mailing list