diff options
Diffstat (limited to 'branches/1.0/tinyDSHOW/src/DSDisplayOverlay.VMR.cxx')
| -rw-r--r-- | branches/1.0/tinyDSHOW/src/DSDisplayOverlay.VMR.cxx | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/branches/1.0/tinyDSHOW/src/DSDisplayOverlay.VMR.cxx b/branches/1.0/tinyDSHOW/src/DSDisplayOverlay.VMR.cxx deleted file mode 100644 index 37b0b11..0000000 --- a/branches/1.0/tinyDSHOW/src/DSDisplayOverlay.VMR.cxx +++ /dev/null @@ -1,179 +0,0 @@ -/*
-* Copyright (C) 2009-2010 Mamadou Diop.
-*
-* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
-*
-* This file is part of Open Source Doubango Framework.
-*
-* DOUBANGO 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 3 of the License, or
-* (at your option) any later version.
-*
-* DOUBANGO 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 DOUBANGO.
-*
-*/
-#if defined(VMR)
-
-#include <internals/DSDisplayOverlay.h>
-#include <internals/DSDisplayGraph.h>
-#include <internals/DSUtils.h>
-#include "../../resource.h"
-
-using namespace std;
-
-#define ALPHA_VALUE_START 0.8f
-#define ALPHA_VALUE_STOP 0.0f
-
-
-// Hack to get module of the current code
-// Only works with Microsoft Linker and could break in the future
-EXTERN_C IMAGE_DOS_HEADER __ImageBase;
-
-
-DSDisplayOverlay::DSDisplayOverlay()
-{
- this->window = NULL;
- this->hdcBmp = NULL;
- this->hbmOld = NULL;
-}
-
-DSDisplayOverlay::~DSDisplayOverlay()
-{
-}
-
-void DSDisplayOverlay::attach(HWND parent, DSDisplayGraph *graph)
-{
- HRESULT hr;
-
- // Gets the handle of the parent and the graph
- this->window = parent;
- this->displayGraph = graph;
-
- if (this->window)
- {
- // Hack to get module of the current code
- TCHAR *modulePath = (TCHAR *) calloc(255, sizeof(TCHAR));
- GetModuleFileName((HINSTANCE)&__ImageBase, modulePath, 255);
- HMODULE module = GetModuleHandle(modulePath);
- delete[] modulePath;
- if (!module)
- {
- cout << "Failed to get current module";
- return;
- }
-
- HBITMAP bitmap = LoadBitmap(module, MAKEINTRESOURCE(IDB_BITMAP_OVERLAY));
- if (!bitmap)
- {
- cout << "Failed to load overlay bitmap" << endl;
- return;
- }
-
- RECT rect;
- hr = GetWindowRect(this->window, &rect);
- if (FAILED(hr))
- {
- cout << "Failed to get window size" << endl;
- return;
- }
-
- BITMAP bm;
- HDC hdc = GetDC(this->window);
- this->hdcBmp = CreateCompatibleDC(hdc);
- ReleaseDC(this->window, hdc);
-
- GetObject(bitmap, sizeof(bm), &bm);
- this->hbmOld= (HBITMAP) SelectObject(this->hdcBmp, bitmap);
-
- ZeroMemory(&this->alphaBitmap, sizeof(VMRALPHABITMAP));
- this->alphaBitmap.dwFlags = VMRBITMAP_HDC | VMRBITMAP_SRCCOLORKEY;
- this->alphaBitmap.hdc = this->hdcBmp;
- this->alphaBitmap.clrSrcKey = 0x00FF00FF;
- // Source rectangle
- this->alphaBitmap.rSrc.left = 0;
- this->alphaBitmap.rSrc.top = 0;
- this->alphaBitmap.rSrc.right = bm.bmWidth;
- this->alphaBitmap.rSrc.bottom = bm.bmHeight;
- // Destination rectangle
- this->alphaBitmap.rDest.left = (rect.right - rect.left - bm.bmWidth) / 2.0;
- this->alphaBitmap.rDest.top = (rect.bottom - rect.top - bm.bmHeight) / 2.0;
- this->alphaBitmap.rDest.right = this->alphaBitmap.rDest.left + bm.bmWidth;
- this->alphaBitmap.rDest.bottom = this->alphaBitmap.rDest.top + bm.bmHeight;
- this->alphaBitmap.rDest.left /= (rect.right - rect.left);
- this->alphaBitmap.rDest.top /= (rect.bottom - rect.top);
- this->alphaBitmap.rDest.right /= (rect.right - rect.left);
- this->alphaBitmap.rDest.bottom /= (rect.bottom - rect.top);
- // Alpha value for start
- this->alphaBitmap.fAlpha = ALPHA_VALUE_START;
-
- }
-}
-
-void DSDisplayOverlay::detach()
-{
- // Clean up
- DeleteObject(SelectObject(this->hdcBmp, this->hbmOld));
- DeleteDC(this->hdcBmp);
-
- this->hdcBmp = NULL;
- this->hbmOld = NULL;
- this->displayGraph = NULL;
- this->window = NULL;
-}
-
-void DSDisplayOverlay::show(int value)
-{
- // Store the ticks to count down
- this->ticks = value;
-
- // Compute alpha value decrement
- this->alphaStep = (this->ticks > 0) ? ((ALPHA_VALUE_START - ALPHA_VALUE_STOP) / this->ticks) : 0;
- this->alphaBitmap.fAlpha = ALPHA_VALUE_START;
-
- this->internalUpdate();
-}
-
-void DSDisplayOverlay::update()
-{
- if (this->displayGraph && (this->ticks > 0))
- {
- this->ticks--;
-
- // Be sure alpha is in 0.0 .. 1.0 range.
- float value = this->alphaBitmap.fAlpha;
- value -= this->alphaStep;
- this->alphaBitmap.fAlpha = (value >= 0.0f) ? value : 0.0f;
-
- this->internalUpdate();
- }
-}
-
-void DSDisplayOverlay::internalUpdate()
-{
- HRESULT hr;
-
- if (this->ticks > 0)
- {
- this->alphaBitmap.dwFlags = VMRBITMAP_HDC | VMRBITMAP_SRCCOLORKEY;
- }
- else
- {
- this->alphaBitmap.dwFlags = VMRBITMAP_DISABLE;
- }
-
- hr = this->displayGraph->getMixerBitmap()->SetAlphaBitmap(&this->alphaBitmap);
- if (FAILED(hr))
- {
- cout << "Failed to mix overylay (" << hr << ")" << endl;
- return;
- }
-}
-
-#endif
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