Added StretchDIBits for the PostScript driver.

This commit is contained in:
Huw D M Davies 1999-03-23 13:46:04 +00:00 committed by Alexandre Julliard
parent 3f89809d68
commit 44a79c4925
3 changed files with 368 additions and 10 deletions

View file

@ -8,22 +8,209 @@
#include "gdi.h"
#include "psdrv.h"
#include "debug.h"
#include "bitmap.h"
#include "winbase.h"
/***************************************************************************
* PSDRV_WriteImageHeader
*
* Helper for PSDRV_StretchDIBits
*
* BUGS
* Uses level 2 PostScript
*/
static BOOL PSDRV_WriteImageHeader(DC *dc, const BITMAPINFO *info, INT xDst,
INT yDst, INT widthDst, INT heightDst,
INT widthSrc, INT heightSrc)
{
COLORREF map[256];
int i;
switch(info->bmiHeader.biBitCount) {
case 8:
PSDRV_WriteIndexColorSpaceBegin(dc, 255);
for(i = 0; i < 256; i++) {
map[i] = info->bmiColors[i].rgbRed |
info->bmiColors[i].rgbGreen << 8 |
info->bmiColors[i].rgbBlue << 16;
}
PSDRV_WriteRGB(dc, map, 256);
PSDRV_WriteIndexColorSpaceEnd(dc);
break;
case 4:
PSDRV_WriteIndexColorSpaceBegin(dc, 15);
for(i = 0; i < 16; i++) {
map[i] = info->bmiColors[i].rgbRed |
info->bmiColors[i].rgbGreen << 8 |
info->bmiColors[i].rgbBlue << 16;
}
PSDRV_WriteRGB(dc, map, 16);
PSDRV_WriteIndexColorSpaceEnd(dc);
break;
case 1:
PSDRV_WriteIndexColorSpaceBegin(dc, 1);
for(i = 0; i < 2; i++) {
map[i] = info->bmiColors[i].rgbRed |
info->bmiColors[i].rgbGreen << 8 |
info->bmiColors[i].rgbBlue << 16;
}
PSDRV_WriteRGB(dc, map, 2);
PSDRV_WriteIndexColorSpaceEnd(dc);
break;
case 15:
case 16:
case 24:
case 32:
{
PSCOLOR pscol;
pscol.type = PSCOLOR_RGB;
pscol.value.rgb.r = pscol.value.rgb.g = pscol.value.rgb.b = 0.0;
PSDRV_WriteSetColor(dc, &pscol);
break;
}
default:
FIXME(psdrv, "Not implemented yet\n");
return FALSE;
break;
}
PSDRV_WriteImageDict(dc, info->bmiHeader.biBitCount, xDst, yDst,
widthDst, heightDst, widthSrc, heightSrc);
return TRUE;
}
/***************************************************************************
*
* PSDRV_StretchDIBits
*
* BUGS
* Doesn't work correctly if the DIB bits aren't byte aligned at the start of
* a line - this affects 1 and 4 bit depths.
* Compression not implemented.
*/
INT PSDRV_StretchDIBits( DC *dc, INT xDst, INT yDst, INT widthDst,
INT heightDst, INT xSrc, INT ySrc,
INT widthSrc, INT heightSrc, const void *bits,
const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
INT heightDst, INT xSrc, INT ySrc,
INT widthSrc, INT heightSrc, const void *bits,
const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
{
TRACE(psdrv, "(%d,%d %dx%d) -> (%d,%d %dx%d) on %08x. %d colour bits\n",
xSrc, ySrc, widthSrc, heightSrc, xDst, yDst, widthDst, heightDst,
dc->hSelf, info->bmiHeader.biBitCount);
DWORD fullSrcWidth;
INT widthbytes, fullSrcHeight;
WORD bpp, compression;
const char *ptr;
INT line;
TRACE(psdrv, "%08x (%d,%d %dx%d) -> (%d,%d %dx%d)\n", dc->hSelf,
xSrc, ySrc, widthSrc, heightSrc, xDst, yDst, widthDst, heightDst);
DIB_GetBitmapInfo((const BITMAPINFOHEADER *)info, &fullSrcWidth,
&fullSrcHeight, &bpp, &compression);
widthbytes = DIB_GetDIBWidthBytes(fullSrcWidth, bpp);
TRACE(psdrv, "full size=%ldx%d bpp=%d compression=%d\n", fullSrcWidth,
fullSrcHeight, bpp, compression);
FIXME(psdrv, "stub\n");
return FALSE;
if(compression != BI_RGB) {
FIXME(psdrv, "Compression not supported\n");
return FALSE;
}
switch(bpp) {
case 1:
PSDRV_WriteGSave(dc);
PSDRV_WriteImageHeader(dc, info, xDst, yDst, widthDst, heightDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
if(xSrc & 7 || widthSrc & 7)
FIXME(psdrv, "This won't work...\n");
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteBytes(dc, ptr + xSrc/8, widthSrc/8);
PSDRV_WriteGRestore(dc);
break;
case 4:
PSDRV_WriteGSave(dc);
PSDRV_WriteImageHeader(dc, info, xDst, yDst, widthDst, heightDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
if(xSrc & 1 || widthSrc & 1)
FIXME(psdrv, "This won't work...\n");
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteBytes(dc, ptr + xSrc/2, widthSrc/2);
PSDRV_WriteGRestore(dc);
break;
case 8:
PSDRV_WriteGSave(dc);
PSDRV_WriteImageHeader(dc, info, xDst, yDst, widthDst, heightDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteBytes(dc, ptr + xSrc, widthSrc);
PSDRV_WriteGRestore(dc);
break;
case 15:
case 16:
PSDRV_WriteGSave(dc);
PSDRV_WriteImageHeader(dc, info, xDst, yDst, widthDst, heightDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteDIBits16(dc, (WORD *)ptr + xSrc, widthSrc);
PSDRV_WriteGRestore(dc);
break;
case 24:
PSDRV_WriteGSave(dc);
PSDRV_WriteImageHeader(dc, info, xDst, yDst, widthDst, heightDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteDIBits24(dc, ptr + xSrc * 3, widthSrc);
PSDRV_WriteGRestore(dc);
break;
case 32:
PSDRV_WriteGSave(dc);
PSDRV_WriteImageHeader(dc, info, xDst, yDst, widthDst, heightDst,
widthSrc, heightSrc);
ptr = bits;
ptr += (ySrc * widthbytes);
for(line = 0; line < heightSrc; line++, ptr += widthbytes)
PSDRV_WriteDIBits32(dc, ptr + xSrc * 3, widthSrc);
PSDRV_WriteGRestore(dc);
break;
default:
FIXME(psdrv, "Unsupported depth\n");
return FALSE;
}
return TRUE;
}

View file

@ -690,4 +690,167 @@ BOOL PSDRV_WriteRotate(DC *dc, float ang)
return PSDRV_WriteSpool(dc, buf, strlen(buf));
}
BOOL PSDRV_WriteIndexColorSpaceBegin(DC *dc, int size)
{
char buf[256];
sprintf(buf, "[/Indexed /DeviceRGB %d\n<\n", size);
return PSDRV_WriteSpool(dc, buf, strlen(buf));
}
BOOL PSDRV_WriteIndexColorSpaceEnd(DC *dc)
{
char buf[] = ">\n] setcolorspace\n";
return PSDRV_WriteSpool(dc, buf, sizeof(buf) - 1);
}
BOOL PSDRV_WriteRGB(DC *dc, COLORREF *map, int number)
{
char *buf = HeapAlloc(PSDRV_Heap, 0, number * 7 + 1), *ptr;
int i;
ptr = buf;
for(i = 0; i < number; i++) {
sprintf(ptr, "%02x%02x%02x%c", (int)GetRValue(map[i]),
(int)GetGValue(map[i]), (int)GetBValue(map[i]),
((i & 0x7) == 0x7) || (i == number - 1) ? '\n' : ' ');
ptr += 7;
}
PSDRV_WriteSpool(dc, buf, number * 7);
HeapFree(PSDRV_Heap, 0, buf);
return TRUE;
}
BOOL PSDRV_WriteImageDict(DC *dc, WORD depth, INT xDst, INT yDst,
INT widthDst, INT heightDst, INT widthSrc,
INT heightSrc)
{
char start[] = "%d %d translate\n%d %d scale\n<<\n"
" /ImageType 1\n /Width %d\n /Height %d\n /BitsPerComponent %d\n"
" /ImageMatrix [%d 0 0 %d 0 %d]\n";
char decode1[] = " /Decode [0 %d]\n";
char decode3[] = " /Decode [0 1 0 1 0 1]\n";
char end[] = " /DataSource currentfile /ASCIIHexDecode filter\n>> image\n";
char *buf = HeapAlloc(PSDRV_Heap, 0, 1000);
sprintf(buf, start, xDst, yDst, widthDst, heightDst, widthSrc, heightSrc,
(depth < 8) ? depth : 8, widthSrc, -heightSrc, heightSrc);
PSDRV_WriteSpool(dc, buf, strlen(buf));
switch(depth) {
case 8:
sprintf(buf, decode1, 255);
break;
case 4:
sprintf(buf, decode1, 15);
break;
case 1:
sprintf(buf, decode1, 1);
break;
default:
strcpy(buf, decode3);
break;
}
PSDRV_WriteSpool(dc, buf, strlen(buf));
PSDRV_WriteSpool(dc, end, sizeof(end) - 1);
HeapFree(PSDRV_Heap, 0, buf);
return TRUE;
}
BOOL PSDRV_WriteBytes(DC *dc, const BYTE *bytes, int number)
{
char *buf = HeapAlloc(PSDRV_Heap, 0, number * 3 + 1);
char *ptr;
int i;
ptr = buf;
for(i = 0; i < number; i++) {
sprintf(ptr, "%02x%c", bytes[i],
((i & 0xf) == 0xf) || (i == number - 1) ? '\n' : ' ');
ptr += 3;
}
PSDRV_WriteSpool(dc, buf, number * 3);
HeapFree(PSDRV_Heap, 0, buf);
return TRUE;
}
BOOL PSDRV_WriteDIBits16(DC *dc, const WORD *words, int number)
{
char *buf = HeapAlloc(PSDRV_Heap, 0, number * 7 + 1);
char *ptr;
int i;
ptr = buf;
for(i = 0; i < number; i++) {
int r, g, b;
/* We want 0x0 -- 0x1f to map to 0x0 -- 0xff */
r = words[i] >> 10 & 0x1f;
r = r << 3 | r >> 2;
g = words[i] >> 5 & 0x1f;
g = g << 3 | g >> 2;
b = words[i] & 0x1f;
b = b << 3 | b >> 2;
sprintf(ptr, "%02x%02x%02x%c", r, g, b,
((i & 0x7) == 0x7) || (i == number - 1) ? '\n' : ' ');
ptr += 7;
}
PSDRV_WriteSpool(dc, buf, number * 7);
HeapFree(PSDRV_Heap, 0, buf);
return TRUE;
}
BOOL PSDRV_WriteDIBits24(DC *dc, const BYTE *bits, int number)
{
char *buf = HeapAlloc(PSDRV_Heap, 0, number * 7 + 1);
char *ptr;
int i;
ptr = buf;
for(i = 0; i < number; i++) {
sprintf(ptr, "%02x%02x%02x%c", bits[i * 3 + 2], bits[i * 3 + 1],
bits[i * 3],
((i & 0x7) == 0x7) || (i == number - 1) ? '\n' : ' ');
ptr += 7;
}
PSDRV_WriteSpool(dc, buf, number * 7);
HeapFree(PSDRV_Heap, 0, buf);
return TRUE;
}
BOOL PSDRV_WriteDIBits32(DC *dc, const BYTE *bits, int number)
{
char *buf = HeapAlloc(PSDRV_Heap, 0, number * 7 + 1);
char *ptr;
int i;
ptr = buf;
for(i = 0; i < number; i++) {
sprintf(ptr, "%02x%02x%02x%c", bits[i * 4 + 2], bits[i * 4 + 1],
bits[i * 4],
((i & 0x7) == 0x7) || (i == number - 1) ? '\n' : ' ');
ptr += 7;
}
PSDRV_WriteSpool(dc, buf, number * 7);
HeapFree(PSDRV_Heap, 0, buf);
return TRUE;
}

View file

@ -282,8 +282,16 @@ extern BOOL PSDRV_WriteClip(DC *dc);
extern BOOL PSDRV_WriteEOClip(DC *dc);
extern BOOL PSDRV_WriteHatch(DC *dc);
extern BOOL PSDRV_WriteRotate(DC *dc, float ang);
extern BOOL PSDRV_WriteIndexColorSpaceBegin(DC *dc, int size);
extern BOOL PSDRV_WriteIndexColorSpaceEnd(DC *dc);
extern BOOL PSDRV_WriteRGB(DC *dc, COLORREF *map, int number);
extern BOOL PSDRV_WriteImageDict(DC *dc, WORD depth, INT xDst, INT yDst,
INT widthDst, INT heightDst, INT widthSrc,
INT heightSrc);
extern BOOL PSDRV_WriteBytes(DC *dc, const BYTE *bytes, int number);
extern BOOL PSDRV_WriteDIBits16(DC *dc, const WORD *words, int number);
extern BOOL PSDRV_WriteDIBits24(DC *dc, const BYTE *bits, int number);
extern BOOL PSDRV_WriteDIBits32(DC *dc, const BYTE *bits, int number);