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- // VirtualDub - Video processing and capture application
- // Copyright (C) 1998-2001 Avery Lee
- //
- // 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.
-
- #ifndef f_HISTOGRAM_H
- #define f_HISTOGRAM_H
-
- #include <windows.h>
-
- class VBitmap;
-
- extern "C" void asm_histogram_gray_run(void *dst,long width,long height,long stride,long *histo_table);
- extern "C" void asm_histogram_gray24_run(void *dst,long width,long height,long stride,long *histo_table);
- extern "C" void asm_histogram_color_run(char *dst,long width,long height,long stride,long *histo_table);
- extern "C" void asm_histogram_color24_run(char *dst,long width,long height,long stride,long *histo_table);
- extern "C" void asm_histogram16_run(void *dst,long width,long height,long stride,long *histo_table, long pixmask);
-
- class Histogram {
- private:
- long histo[256];
- long total_pixels;
- static const RGBQUAD fore_colors[];
-
- char *lpGraphBits;
- HBITMAP hBitmapGraph;
- HDC hDCGraph;
- int max_height;
-
- int histo_mode;
-
- public:
- enum {
- MODE_BLUE = 0,
- MODE_GREEN = 1,
- MODE_RED = 2,
- MODE_GRAY = 3,
- NUM_MODES,
- MODE_NEXT = -1,
- };
-
- Histogram(HDC hDC, int max_height);
- ~Histogram();
-
- void Zero();
- void Process(const VBitmap *vbmp);
- void Process24(const VBitmap *vbmp);
- void Process16(const VBitmap *vbmp);
- void ComputeHeights(long *height_ptrs, long graph_height);
- void Draw(HDC hDC, LPRECT lpr);
-
- void SetMode(int);
- int GetMode();
- };
-
- #endif
-