mirror of
https://github.com/reactos/reactos.git
synced 2024-06-29 01:12:06 +00:00
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
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#include "precomp.h"
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#include "init.h"
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HBITMAP ghbmp1, ghbmp4, ghbmp8, ghbmp16, ghbmp24, ghbmp32;
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HBITMAP ghbmpDIB1, ghbmpDIB4, ghbmpDIB8, ghbmpDIB16, ghbmpDIB24, ghbmpDIB32;
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HDC ghdcDIB1, ghdcDIB4, ghdcDIB8, ghdcDIB16, ghdcDIB24, ghdcDIB32;
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PVOID gpvDIB1, gpvDIB4, gpvDIB8, gpvDIB16, gpvDIB24, gpvDIB32;
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ULONG (*gpDIB32)[8][8];
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HPALETTE ghpal;
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MYPAL gpal =
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{
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0x300, 8,
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{
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{ 0x10, 0x20, 0x30, PC_NOCOLLAPSE },
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{ 0x20, 0x30, 0x40, PC_NOCOLLAPSE },
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{ 0x30, 0x40, 0x50, PC_NOCOLLAPSE },
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{ 0x40, 0x50, 0x60, PC_NOCOLLAPSE },
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{ 0x50, 0x60, 0x70, PC_NOCOLLAPSE },
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{ 0x60, 0x70, 0x80, PC_NOCOLLAPSE },
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{ 0x70, 0x80, 0x90, PC_NOCOLLAPSE },
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{ 0x80, 0x90, 0xA0, PC_NOCOLLAPSE },
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}
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};
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BOOL
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InitPerBitDepth(
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_In_ ULONG cBitsPerPixel,
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_In_ ULONG cx,
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_In_ ULONG cy,
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_Out_ HBITMAP *phbmp,
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_Out_ HDC *phdcDIB,
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_Out_ HBITMAP *phbmpDIB,
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_Out_ PVOID *ppvBits)
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{
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struct
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{
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BITMAPINFOHEADER bmiHeader;
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ULONG bmiColors[256];
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} bmiBuffer;
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LPBITMAPINFO pbmi = (LPBITMAPINFO)&bmiBuffer;
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/* Create a bitmap */
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*phbmp = CreateBitmap(cx, cy, 1, cBitsPerPixel, NULL);
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if (*phbmp == NULL)
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{
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printf("CreateBitmap failed %lu\n", cBitsPerPixel);
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return FALSE;
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}
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/* Setup bitmap info */
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memset(&bmiBuffer, 0, sizeof(bmiBuffer));
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pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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pbmi->bmiHeader.biWidth = cx;
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pbmi->bmiHeader.biHeight = -(LONG)cy;
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pbmi->bmiHeader.biPlanes = 1;
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pbmi->bmiHeader.biBitCount = cBitsPerPixel;
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pbmi->bmiHeader.biCompression = BI_RGB;
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pbmi->bmiHeader.biSizeImage = 0;
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pbmi->bmiHeader.biXPelsPerMeter = 0;
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pbmi->bmiHeader.biYPelsPerMeter = 0;
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pbmi->bmiHeader.biClrUsed = 0;
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pbmi->bmiHeader.biClrImportant = 0;
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if (cBitsPerPixel == 1)
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{
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bmiBuffer.bmiColors[0] = 0;
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bmiBuffer.bmiColors[1] = 0xFFFFFF;
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pbmi->bmiHeader.biClrUsed = 2;
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}
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/* Create a compatible DC for the DIB */
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*phdcDIB = CreateCompatibleDC(0);
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if (*phdcDIB == NULL)
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{
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printf("CreateCompatibleDC failed %lu\n", cBitsPerPixel);
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return FALSE;
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}
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/* Create the DIB section with the same values */
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*phbmpDIB = CreateDIBSection(*phdcDIB, pbmi, DIB_RGB_COLORS, ppvBits, 0, 0 );
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if (*phbmpDIB == NULL)
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{
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printf("CreateDIBSection failed. %lu\n", cBitsPerPixel);
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return FALSE;
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}
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SelectObject(*phdcDIB, *phbmpDIB);
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return TRUE;
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}
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BOOL InitStuff(void)
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{
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/* Initialize a logical palette */
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ghpal = CreatePalette((LOGPALETTE*)&gpal);
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if (!ghpal)
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{
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printf("failed to create a palette\n");
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return FALSE;
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}
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if (!InitPerBitDepth(1, 9, 9, &ghbmp1, &ghdcDIB1, &ghbmpDIB1, &gpvDIB1) ||
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!InitPerBitDepth(4, 5, 5, &ghbmp4, &ghdcDIB4, &ghbmpDIB4, &gpvDIB4) ||
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!InitPerBitDepth(8, 5, 5, &ghbmp8, &ghdcDIB8, &ghbmpDIB8, &gpvDIB8) ||
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!InitPerBitDepth(16, 8, 8, &ghbmp16, &ghdcDIB16, &ghbmpDIB16, &gpvDIB16) ||
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!InitPerBitDepth(24, 8, 8, &ghbmp24, &ghdcDIB24, &ghbmpDIB24, &gpvDIB24) ||
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!InitPerBitDepth(32, 8, 8, &ghbmp32, &ghdcDIB32, &ghbmpDIB32, &gpvDIB32))
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{
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printf("failed to create objects\n");
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return FALSE;
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}
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gpDIB32 = gpvDIB32;
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return TRUE;
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}
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