48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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#include <windows.h>
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#include "assert.h"
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#include "ttwainP.h"
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#include "ttwain_utilPD.h"
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#include "ttwain_global_def.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static int getColorCount(LPBITMAPINFOHEADER pbi)
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{
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if (pbi->biSize == sizeof(BITMAPCOREHEADER)) {
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LPBITMAPCOREHEADER lpbc = ((LPBITMAPCOREHEADER)pbi);
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return 1 << lpbc->bcBitCount;
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} else if (pbi->biClrUsed == 0)
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return 0xFFF & (1 << pbi->biBitCount);
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else
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return (int)pbi->biClrUsed;
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}
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/*---------------------------------------------------------------------------*/
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static size_t BmiColorTableBytes(LPBITMAPINFOHEADER pbi)
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{
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return getColorCount(pbi) * sizeof(RGBQUAD);
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}
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/*---------------------------------------------------------------------------*/
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static LPBYTE get_buffer(LPBITMAPINFOHEADER lpbi, int *iud)
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{
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LPBYTE buf = (LPBYTE)lpbi + lpbi->biSize + BmiColorTableBytes(lpbi);
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*iud = (lpbi->biHeight > 0);
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return buf;
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}
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/*---------------------------------------------------------------------------*/
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#define PelsPerMeter2DPI(ppm) (((float)ppm * 2.54) / 100.0)
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/*---------------------------------------------------------------------------*/
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int TTWAIN_Native2RasterPD(void *handle, void *the_ras, int *lx, int *ly)
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{
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assert(!"DAFARE");
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return 1;
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}
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#ifdef __cplusplus
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}
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#endif
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