[1/3] gdiplus: Add a test for drawing to HDC's backed by 32-bit alpha dibs.
Vincent Povirk
madewokherd at gmail.com
Mon Dec 3 17:12:47 CST 2012
-------------- next part --------------
From e794356c06f5b91bd2200a7ac6176757ad871d67 Mon Sep 17 00:00:00 2001
From: Vincent Povirk <vincent at codeweavers.com>
Date: Mon, 3 Dec 2012 16:00:36 -0600
Subject: [PATCH 1/3] gdiplus: Add a test for drawing to HDC's backed by
32-bit alpha dibs.
---
dlls/gdiplus/tests/graphics.c | 50 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/dlls/gdiplus/tests/graphics.c b/dlls/gdiplus/tests/graphics.c
index 5fc1626..553e77f 100644
--- a/dlls/gdiplus/tests/graphics.c
+++ b/dlls/gdiplus/tests/graphics.c
@@ -4083,6 +4083,55 @@ static void test_measured_extra_space(void)
GdipDeleteStringFormat(format);
}
+static void test_alpha_hdc(void)
+{
+ GpStatus status;
+ HDC hdc;
+ HBITMAP hbm, old_hbm;
+ GpGraphics *graphics;
+ ULONG *bits;
+ BITMAPINFO bmi;
+
+ hdc = CreateCompatibleDC(0);
+ ok(hdc != NULL, "CreateCompatibleDC failed\n");
+ bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
+ bmi.bmiHeader.biHeight = 5;
+ bmi.bmiHeader.biWidth = 5;
+ bmi.bmiHeader.biBitCount = 32;
+ bmi.bmiHeader.biPlanes = 1;
+ bmi.bmiHeader.biCompression = BI_RGB;
+ bmi.bmiHeader.biClrUsed = 0;
+
+ hbm = CreateDIBSection(hdc, &bmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
+ ok(hbm != NULL, "CreateDIBSection failed\n");
+
+ old_hbm = SelectObject(hdc, hbm);
+
+ status = GdipCreateFromHDC(hdc, &graphics);
+ expect(Ok, status);
+
+ bits[0] = 0xdeadbeef;
+
+ status = GdipGraphicsClear(graphics, 0xffaaaaaa);
+ expect(Ok, status);
+
+ todo_wine expect(0xffaaaaaa, bits[0]);
+
+ SelectObject(hdc, old_hbm);
+
+ bits[0] = 0xdeadbeef;
+
+ status = GdipGraphicsClear(graphics, 0xffbbbbbb);
+ expect(Ok, status);
+
+ todo_wine expect(0xffbbbbbb, bits[0]);
+
+ GdipDeleteGraphics(graphics);
+
+ DeleteObject(hbm);
+ DeleteDC(hdc);
+}
+
START_TEST(graphics)
{
struct GdiplusStartupInput gdiplusStartupInput;
@@ -4149,6 +4198,7 @@ START_TEST(graphics)
test_get_set_interpolation();
test_get_set_textrenderinghint();
test_getdc_scaled();
+ test_alpha_hdc();
GdiplusShutdown(gdiplusToken);
DestroyWindow( hwnd );
--
1.7.10.4
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