Module: wine Branch: master Commit: 88ce03103b0567540e8ff9df73fe29e4879b4680 URL: http://source.winehq.org/git/wine.git/?a=commit;h=88ce03103b0567540e8ff9df73...
Author: Vincent Povirk vincent@codeweavers.com Date: Mon Feb 14 17:11:58 2011 -0600
gdiplus: Add tests for locked image bit reading/writing.
---
dlls/gdiplus/tests/image.c | 104 ++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 104 insertions(+), 0 deletions(-)
diff --git a/dlls/gdiplus/tests/image.c b/dlls/gdiplus/tests/image.c index 41d9426..fb2ec28 100644 --- a/dlls/gdiplus/tests/image.c +++ b/dlls/gdiplus/tests/image.c @@ -516,6 +516,7 @@ static void test_LockBits(void) GpRect rect; BitmapData bd; const INT WIDTH = 10, HEIGHT = 20; + ARGB color;
bm = NULL; stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm); @@ -526,15 +527,33 @@ static void test_LockBits(void) rect.Width = 4; rect.Height = 5;
+ stat = GdipBitmapSetPixel(bm, 2, 3, 0xffc30000); + expect(Ok, stat); + + stat = GdipBitmapSetPixel(bm, 2, 8, 0xff480000); + expect(Ok, stat); + /* read-only */ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat24bppRGB, &bd); expect(Ok, stat);
if (stat == Ok) { + expect(0xc3, ((BYTE*)bd.Scan0)[2]); + expect(0x48, ((BYTE*)bd.Scan0)[2 + bd.Stride * 5]); + + ((char*)bd.Scan0)[2] = 0xff; + stat = GdipBitmapUnlockBits(bm, &bd); expect(Ok, stat); }
+ stat = GdipBitmapGetPixel(bm, 2, 3, &color); + expect(Ok, stat); + expect(0xffff0000, color); + + stat = GdipBitmapSetPixel(bm, 2, 3, 0xffc30000); + expect(Ok, stat); + /* read-only, with NULL rect -> whole bitmap lock */ stat = GdipBitmapLockBits(bm, NULL, ImageLockModeRead, PixelFormat24bppRGB, &bd); expect(Ok, stat); @@ -542,10 +561,16 @@ static void test_LockBits(void) expect(bd.Height, HEIGHT);
if (stat == Ok) { + ((char*)bd.Scan0)[2 + 2*3 + 3*bd.Stride] = 0xff; + stat = GdipBitmapUnlockBits(bm, &bd); expect(Ok, stat); }
+ stat = GdipBitmapGetPixel(bm, 2, 3, &color); + expect(Ok, stat); + expect(0xffff0000, color); + /* read-only, consecutive */ stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat24bppRGB, &bd); expect(Ok, stat); @@ -574,6 +599,81 @@ static void test_LockBits(void) stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm); expect(Ok, stat);
+ stat = GdipBitmapSetPixel(bm, 2, 3, 0xffff0000); + expect(Ok, stat); + + stat = GdipBitmapSetPixel(bm, 2, 8, 0xffc30000); + expect(Ok, stat); + + /* write, no conversion */ + stat = GdipBitmapLockBits(bm, &rect, ImageLockModeWrite, PixelFormat24bppRGB, &bd); + expect(Ok, stat); + + if (stat == Ok) { + /* all bits are readable, inside the rect or not */ + expect(0xff, ((BYTE*)bd.Scan0)[2]); + expect(0xc3, ((BYTE*)bd.Scan0)[2 + bd.Stride * 5]); + + stat = GdipBitmapUnlockBits(bm, &bd); + expect(Ok, stat); + } + + /* read, conversion */ + stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead, PixelFormat32bppARGB, &bd); + expect(Ok, stat); + + if (stat == Ok) { + expect(0xff, ((BYTE*)bd.Scan0)[2]); + if (0) + /* Areas outside the rectangle appear to be uninitialized */ + ok(0xc3 != ((BYTE*)bd.Scan0)[2 + bd.Stride * 5], "original image bits are readable\n"); + + ((BYTE*)bd.Scan0)[2] = 0xc3; + + stat = GdipBitmapUnlockBits(bm, &bd); + expect(Ok, stat); + } + + /* writes do not work in read mode if there was a conversion */ + stat = GdipBitmapGetPixel(bm, 2, 3, &color); + expect(Ok, stat); + expect(0xffff0000, color); + + /* read/write, conversion */ + stat = GdipBitmapLockBits(bm, &rect, ImageLockModeRead|ImageLockModeWrite, PixelFormat32bppARGB, &bd); + expect(Ok, stat); + + if (stat == Ok) { + expect(0xff, ((BYTE*)bd.Scan0)[2]); + if (0) + /* Areas outside the rectangle appear to be uninitialized */ + ok(0xc3 != ((BYTE*)bd.Scan0)[2 + bd.Stride * 5], "original image bits are readable\n"); + + stat = GdipBitmapUnlockBits(bm, &bd); + expect(Ok, stat); + } + + /* write, conversion */ + stat = GdipBitmapLockBits(bm, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &bd); + expect(Ok, stat); + + if (stat == Ok) { + if (0) + { + /* This is completely uninitialized. */ + ok(0xff != ((BYTE*)bd.Scan0)[2], "original image bits are readable\n"); + ok(0xc3 != ((BYTE*)bd.Scan0)[2 + bd.Stride * 5], "original image bits are readable\n"); + } + + 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); @@ -609,6 +709,10 @@ static void test_LockBits(void) expect(Ok, stat); }
+ stat = GdipBitmapGetPixel(bm, 2, 3, &color); + expect(Ok, stat); + expect(0xffff0000, color); + stat = GdipDisposeImage((GpImage*)bm); expect(Ok, stat);
-
Alexandre Julliard