--- /dev/null
+/*
+ * ReactOS RosPerf - ReactOS GUI performance test program
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <windows.h>
+#include <wingdi.h>
+#include "rosperf.h"
+
+typedef struct _ALPHABLEND_CONTEXT {
+ HDC BitmapDc;
+ HBITMAP Bitmap;
+} ALPHABLEND_CONTEXT, *PALPHABLEND_CONTEXT;
+
+unsigned
+AlphaBlendInit(void **Context, PPERF_INFO PerfInfo, unsigned Reps)
+{
+ PALPHABLEND_CONTEXT ctx = HeapAlloc(GetProcessHeap(), 0, sizeof (ALPHABLEND_CONTEXT));
+ INT x, y;
+
+ ctx->BitmapDc = CreateCompatibleDC(PerfInfo->BackgroundDc);
+ ctx->Bitmap = CreateCompatibleBitmap(PerfInfo->BackgroundDc, PerfInfo->WndWidth, PerfInfo->WndHeight);
+ SelectObject(ctx->BitmapDc, ctx->Bitmap);
+
+ for (y = 0; y < PerfInfo->WndHeight; y++)
+ {
+ for (x = 0; x < PerfInfo->WndWidth; x++)
+ {
+ SetPixel(ctx->BitmapDc, x, y, RGB(0xff, 0x00, 0x00));
+ }
+ }
+
+ *Context = ctx;
+
+ return Reps;
+}
+
+void
+AlphaBlendCleanup(void *Context, PPERF_INFO PerfInfo)
+{
+ PALPHABLEND_CONTEXT ctx = Context;
+ DeleteDC(ctx->BitmapDc);
+ DeleteObject(ctx->Bitmap);
+ HeapFree(GetProcessHeap(), 0, ctx);
+}
+
+
+ULONG
+DbgPrint(
+ IN PCH Format,
+ IN ...);
+
+void
+AlphaBlendProc(void *Context, PPERF_INFO PerfInfo, unsigned Reps)
+{
+ PALPHABLEND_CONTEXT ctx = Context;
+ unsigned Rep;
+ BLENDFUNCTION BlendFunc = { AC_SRC_OVER, 0, 0, 0 };
+
+ for (Rep = 0; Rep < Reps; Rep++)
+ {
+ BlendFunc.SourceConstantAlpha = 255 * Rep / Reps;
+#if 0
+ PatBlt(PerfInfo->BackgroundDc, 0, 0, PerfInfo->WndWidth, PerfInfo->WndHeight, PATCOPY);
+#endif
+ if (!AlphaBlend(PerfInfo->BackgroundDc, 0, 0, PerfInfo->WndWidth, PerfInfo->WndHeight,
+ ctx->BitmapDc, 0, 0, PerfInfo->WndWidth, PerfInfo->WndHeight,
+ BlendFunc))
+ {
+ DbgPrint("AlphaBlend failed (0x%lx)\n", GetLastError());
+ }
+ }
+}
+
+/* EOF */
{ L"hlines", L"Horizontal Lines", NullInit, LinesHorizontalProc, NullCleanup, NullCleanup },
{ L"vlines", L"Vertical Lines", NullInit, LinesVerticalProc, NullCleanup, NullCleanup },
{ L"lines", L"Lines", NullInit, LinesProc, NullCleanup, NullCleanup },
- { L"text", L"Text", NullInit, TextProc, NullCleanup, NullCleanup }
+ { L"text", L"Text", NullInit, TextProc, NullCleanup, NullCleanup },
+ { L"alpha", L"Alpha Blend", AlphaBlendInit, AlphaBlendProc, NullCleanup, AlphaBlendCleanup }
};