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