[PATCH 1/4] gdiplus: Tests for GdipLockBitmapBits/GdipUnlockBitmapBits.
Nathan Beckmann
nathan.beckmann at gmail.com
Fri Mar 7 03:19:02 CST 2008
---
dlls/gdiplus/tests/image.c | 106 ++++++++++++++++++++++++++++++++++++++++++++
include/gdiplusflat.h | 1 +
2 files changed, 107 insertions(+), 0 deletions(-)
diff --git a/dlls/gdiplus/tests/image.c b/dlls/gdiplus/tests/image.c
index 895ff35..4047fee 100644
--- a/dlls/gdiplus/tests/image.c
+++ b/dlls/gdiplus/tests/image.c
@@ -171,6 +171,111 @@ static void test_encoders(void)
GdipFree(codecs);
}
+static void test_LockBits(void)
+{
+ GpStatus stat;
+ GpBitmap *bm;
+ GpRect rect;
+ BitmapData bd;
+ const REAL WIDTH = 10.0, HEIGHT = 20.0;
+
+ bm = NULL;
+ stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
+ expect(Ok, stat);
+
+ rect.X = 2;
+ rect.Y = 3;
+ rect.Width = 4;
+ rect.Height = 5;
+
+ /* read-only */
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat24bppRGB, &bd);
+ expect(Ok, stat);
+
+ if (stat == Ok) {
+ stat = GdipBitmapUnlockBits(bm, &bd);
+ expect(Ok, stat);
+ }
+
+ /* read-only, consecutive */
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat24bppRGB, &bd);
+ expect(Ok, stat);
+
+ if (stat == Ok) {
+ stat = GdipBitmapUnlockBits(bm, &bd);
+ expect(Ok, stat);
+ }
+
+ stat = GdipDisposeImage((GpImage*)bm);
+ expect(Ok, stat);
+ stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
+ expect(Ok, stat);
+
+ /* read x2 */
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat24bppRGB, &bd);
+ expect(Ok, stat);
+ todo_wine {
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat24bppRGB, &bd);
+ expect(WrongState, stat);
+ }
+
+ stat = GdipBitmapUnlockBits(bm, &bd);
+ expect(Ok, stat);
+
+ stat = GdipDisposeImage((GpImage*)bm);
+ expect(Ok, stat);
+ stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
+ expect(Ok, stat);
+
+ /* write, no modification */
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeWrite, PixelFormat24bppRGB, &bd);
+ expect(Ok, stat);
+
+ if (stat == Ok) {
+ stat = GdipBitmapUnlockBits(bm, &bd);
+ expect(Ok, stat);
+ }
+
+ /* write, consecutive */
+ todo_wine {
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeWrite, PixelFormat24bppRGB, &bd);
+ expect(Ok, stat);
+ }
+
+ if (stat == Ok) {
+ stat = GdipBitmapUnlockBits(bm, &bd);
+ expect(Ok, stat);
+ }
+
+ stat = GdipDisposeImage((GpImage*)bm);
+ expect(Ok, stat);
+ stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
+ expect(Ok, stat);
+
+ /* write, modify */
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeWrite, PixelFormat24bppRGB, &bd);
+ expect(Ok, stat);
+
+ if (stat == Ok) {
+ if (bd.Scan0)
+ ((char*)bd.Scan0)[2] = 0xff;
+
+ stat = GdipBitmapUnlockBits(bm, &bd);
+ expect(Ok, stat);
+ }
+
+ stat = GdipDisposeImage((GpImage*)bm);
+ expect(Ok, stat);
+
+ /* dispose locked */
+ stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
+ expect(Ok, stat);
+ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat24bppRGB, &bd);
+ expect(Ok, stat);
+ stat = GdipDisposeImage((GpImage*)bm);
+ expect(Ok, stat);
+}
+
START_TEST(image)
{
struct GdiplusStartupInput gdiplusStartupInput;
@@ -187,6 +292,7 @@ START_TEST(image)
test_GetImageDimension();
test_LoadingImages();
test_encoders();
+ test_LockBits();
GdiplusShutdown(gdiplusToken);
}
diff --git a/include/gdiplusflat.h b/include/gdiplusflat.h
index ae09118..fe7bdbb 100644
--- a/include/gdiplusflat.h
+++ b/include/gdiplusflat.h
@@ -244,6 +244,7 @@ GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap*,INT,INT,ARGB*);
GpStatus WINGDIPAPI GdipBitmapSetPixel(GpBitmap*,INT,INT,ARGB);
GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap*,GDIPCONST GpRect*,UINT,
PixelFormat,BitmapData*);
+GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap*,BitmapData*);
GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics*,GpMetafile*,INT*,
EmfType,const WCHAR*,GpMetafile**);
GpStatus WINGDIPAPI GdipConvertToEmfPlusToFile(const GpGraphics*,GpMetafile*,INT*,const WCHAR*,EmfType,const WCHAR*,GpMetafile**);
--
1.5.4.2
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