378 lines
8.2 KiB
C++
378 lines
8.2 KiB
C++
|
// gdisemu.cpp : Defines the entry point for the DLL application.
|
||
|
|
//
|
||
|
|
|
||
|
|
#include "stdafx.h"
|
||
|
|
#include "gdisemu.h"
|
||
|
|
|
||
|
|
// This is an example of an exported variable
|
||
|
|
//GDISEMU_API int nGdisemu=0;
|
||
|
|
|
||
|
|
int StreamCopyTile(
|
||
|
|
HDC hdcTarget,
|
||
|
|
HDC hdcSource,
|
||
|
|
DS_COPYTILE * cmd)
|
||
|
|
{
|
||
|
|
RECTL * dstRect = &cmd->rclDst;
|
||
|
|
RECTL * srcRect = &cmd->rclSrc;
|
||
|
|
POINTL * tileOrigin = &cmd->ptlOrigin;
|
||
|
|
|
||
|
|
// brain dead for now
|
||
|
|
|
||
|
|
LONG tileWidth = srcRect->right - srcRect->left;
|
||
|
|
LONG tileHeight = srcRect->bottom - srcRect->top;
|
||
|
|
LONG y = dstRect->top;
|
||
|
|
LONG yEnd = dstRect->bottom;
|
||
|
|
LONG xEnd = dstRect->right;
|
||
|
|
|
||
|
|
if(tileWidth <= 0 || tileHeight <= 0)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(tileOrigin->x >= tileWidth || tileOrigin->y >= tileHeight)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
LONG sy = tileOrigin->y;
|
||
|
|
|
||
|
|
while(y < yEnd)
|
||
|
|
{
|
||
|
|
LONG dy = yEnd - y;
|
||
|
|
|
||
|
|
if(dy > (tileHeight - sy)) dy = (tileHeight - sy);
|
||
|
|
|
||
|
|
LONG x = dstRect->left;
|
||
|
|
|
||
|
|
LONG sx = tileOrigin->x;
|
||
|
|
|
||
|
|
while(x < xEnd)
|
||
|
|
{
|
||
|
|
LONG dx = xEnd - x;
|
||
|
|
|
||
|
|
if(dx > (tileWidth - sx)) dx = (tileWidth - sx);
|
||
|
|
|
||
|
|
if(!BitBlt(hdcTarget, x, y, dx, dy, hdcSource, srcRect->left + sx, srcRect->top + sy, SRCCOPY))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
x += dx;
|
||
|
|
sx = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
y += dy;
|
||
|
|
sy = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
int StreamTransparentTile(
|
||
|
|
HDC hdcTarget,
|
||
|
|
HDC hdcSource,
|
||
|
|
DS_TRANSPARENTTILE * cmd)
|
||
|
|
{
|
||
|
|
RECTL * dstRect = &cmd->rclDst;
|
||
|
|
RECTL * srcRect = &cmd->rclSrc;
|
||
|
|
POINTL * tileOrigin = &cmd->ptlOrigin;
|
||
|
|
|
||
|
|
// brain dead for now
|
||
|
|
|
||
|
|
LONG tileWidth = srcRect->right - srcRect->left;
|
||
|
|
LONG tileHeight = srcRect->bottom - srcRect->top;
|
||
|
|
LONG y = dstRect->top;
|
||
|
|
LONG yEnd = dstRect->bottom;
|
||
|
|
LONG xEnd = dstRect->right;
|
||
|
|
|
||
|
|
if(tileWidth <= 0 || tileHeight <= 0)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(tileOrigin->x >= tileWidth || tileOrigin->y >= tileHeight)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
LONG sy = tileOrigin->y;
|
||
|
|
|
||
|
|
while(y < yEnd)
|
||
|
|
{
|
||
|
|
LONG dy = yEnd - y;
|
||
|
|
|
||
|
|
if(dy > (tileHeight - sy)) dy = (tileHeight - sy);
|
||
|
|
|
||
|
|
LONG x = dstRect->left;
|
||
|
|
|
||
|
|
LONG sx = tileOrigin->x;
|
||
|
|
|
||
|
|
while(x < xEnd)
|
||
|
|
{
|
||
|
|
LONG dx = xEnd - x;
|
||
|
|
|
||
|
|
if(dx > (tileWidth - sx)) dx = (tileWidth - sx);
|
||
|
|
|
||
|
|
if(!GdiTransparentBlt(hdcTarget, x, y, dx, dy, hdcSource, srcRect->left + sx, srcRect->top + sy, dx, dy, cmd->crTransparentColor))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
x += dx;
|
||
|
|
sx = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
y += dy;
|
||
|
|
sy = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
int StreamAlphaTile(
|
||
|
|
HDC hdcTarget,
|
||
|
|
HDC hdcSource,
|
||
|
|
DS_ALPHATILE * cmd)
|
||
|
|
{
|
||
|
|
RECTL * dstRect = &cmd->rclDst;
|
||
|
|
RECTL * srcRect = &cmd->rclSrc;
|
||
|
|
POINTL * tileOrigin = &cmd->ptlOrigin;
|
||
|
|
|
||
|
|
// brain dead for now
|
||
|
|
|
||
|
|
LONG tileWidth = srcRect->right - srcRect->left;
|
||
|
|
LONG tileHeight = srcRect->bottom - srcRect->top;
|
||
|
|
LONG y = dstRect->top;
|
||
|
|
LONG yEnd = dstRect->bottom;
|
||
|
|
LONG xEnd = dstRect->right;
|
||
|
|
|
||
|
|
if(tileWidth <= 0 || tileHeight <= 0)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(tileOrigin->x >= tileWidth || tileOrigin->y >= tileHeight)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
LONG sy = tileOrigin->y;
|
||
|
|
|
||
|
|
while(y < yEnd)
|
||
|
|
{
|
||
|
|
LONG dy = yEnd - y;
|
||
|
|
|
||
|
|
if(dy > (tileHeight - sy)) dy = (tileHeight - sy);
|
||
|
|
|
||
|
|
LONG x = dstRect->left;
|
||
|
|
|
||
|
|
LONG sx = tileOrigin->x;
|
||
|
|
|
||
|
|
while(x < xEnd)
|
||
|
|
{
|
||
|
|
LONG dx = xEnd - x;
|
||
|
|
|
||
|
|
if(dx > (tileWidth - sx)) dx = (tileWidth - sx);
|
||
|
|
|
||
|
|
if(!GdiAlphaBlend(hdcTarget, x, y, dx, dy, hdcSource, srcRect->left + sx, srcRect->top + sy, dx, dy, cmd->blendFunction))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
x += dx;
|
||
|
|
sx = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
y += dy;
|
||
|
|
sy = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
int StreamSolidFill(
|
||
|
|
HDC hdcTarget,
|
||
|
|
DS_SOLIDFILL * cmd)
|
||
|
|
{
|
||
|
|
HBRUSH hbr = CreateSolidBrush(cmd->crSolidColor);
|
||
|
|
FillRect(hdcTarget, (RECT *) &cmd->rclDst, hbr);
|
||
|
|
DeleteObject(hbr);
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
int StreamStretch(
|
||
|
|
HDC hdcTarget,
|
||
|
|
HDC hdcSource,
|
||
|
|
DS_STRETCH * cmd)
|
||
|
|
{
|
||
|
|
StretchBlt(hdcTarget, cmd->rclDst.left,
|
||
|
|
cmd->rclDst.top,
|
||
|
|
(cmd->rclDst.right - cmd->rclDst.left),
|
||
|
|
(cmd->rclDst.bottom - cmd->rclDst.top),
|
||
|
|
hdcSource, cmd->rclSrc.left,
|
||
|
|
cmd->rclSrc.top,
|
||
|
|
(cmd->rclSrc.right - cmd->rclSrc.left),
|
||
|
|
(cmd->rclSrc.bottom - cmd->rclSrc.top),
|
||
|
|
SRCCOPY);
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
int StreamTransparentStretch(
|
||
|
|
HDC hdcTarget,
|
||
|
|
HDC hdcSource,
|
||
|
|
DS_TRANSPARENTSTRETCH * cmd)
|
||
|
|
{
|
||
|
|
GdiTransparentBlt(hdcTarget, cmd->rclDst.left,
|
||
|
|
cmd->rclDst.top,
|
||
|
|
(cmd->rclDst.right - cmd->rclDst.left),
|
||
|
|
(cmd->rclDst.bottom - cmd->rclDst.top),
|
||
|
|
hdcSource, cmd->rclSrc.left,
|
||
|
|
cmd->rclSrc.top,
|
||
|
|
(cmd->rclSrc.right - cmd->rclSrc.left),
|
||
|
|
(cmd->rclSrc.bottom - cmd->rclSrc.top),
|
||
|
|
cmd->crTransparentColor);
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
int StreamAlphaStretch(
|
||
|
|
HDC hdcTarget,
|
||
|
|
HDC hdcSource,
|
||
|
|
DS_ALPHASTRETCH * cmd)
|
||
|
|
{
|
||
|
|
GdiAlphaBlend(hdcTarget, cmd->rclDst.left,
|
||
|
|
cmd->rclDst.top,
|
||
|
|
(cmd->rclDst.right - cmd->rclDst.left),
|
||
|
|
(cmd->rclDst.bottom - cmd->rclDst.top),
|
||
|
|
hdcSource, cmd->rclSrc.left,
|
||
|
|
cmd->rclSrc.top,
|
||
|
|
(cmd->rclSrc.right - cmd->rclSrc.left),
|
||
|
|
(cmd->rclSrc.bottom - cmd->rclSrc.top),
|
||
|
|
cmd->blendFunction);
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*GDISEMU_API*/ int DrawStream(int cjIn, void * pvIn)
|
||
|
|
{
|
||
|
|
HDC hdcTarget = NULL;
|
||
|
|
HDC hdcSource = NULL;
|
||
|
|
|
||
|
|
if(cjIn < sizeof(ULONG))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
ULONG * pul = (ULONG *) pvIn;
|
||
|
|
|
||
|
|
// All streams should begin with DS_MAGIC
|
||
|
|
if(*pul++ != DS_MAGIC)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
cjIn -= sizeof(ULONG);
|
||
|
|
|
||
|
|
while(cjIn >= sizeof(ULONG))
|
||
|
|
{
|
||
|
|
ULONG command = pul[0];
|
||
|
|
int commandSize;
|
||
|
|
|
||
|
|
switch(command)
|
||
|
|
{
|
||
|
|
case DS_SETTARGETID: // set target
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_SETTARGET);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
hdcTarget = (HDC) pul[1];
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_SETSOURCEID: // set source
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_SETSOURCE);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
hdcSource = (HDC) pul[1];
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_SOLIDFILLID:
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_SOLIDFILL);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(!StreamSolidFill(hdcTarget, (DS_SOLIDFILL*) pul))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_COPYTILEID: // tile copy bits
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_COPYTILE);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(!StreamCopyTile(hdcTarget, hdcSource, (DS_COPYTILE*) pul))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_TRANSPARENTTILEID: // tile copy bits
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_TRANSPARENTTILE);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(!StreamTransparentTile(hdcTarget, hdcSource, (DS_TRANSPARENTTILE*) pul))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_ALPHATILEID: // tile copy bits
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_TRANSPARENTTILE);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(!StreamAlphaTile(hdcTarget, hdcSource, (DS_ALPHATILE*) pul))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_STRETCHID: // tile copy bits
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_STRETCH);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(!StreamStretch(hdcTarget, hdcSource, (DS_STRETCH*) pul))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_TRANSPARENTSTRETCHID: // tile copy bits
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_TRANSPARENTSTRETCH);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(!StreamTransparentStretch(hdcTarget, hdcSource, (DS_TRANSPARENTSTRETCH*) pul))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case DS_ALPHASTRETCHID: // tile copy bits
|
||
|
|
|
||
|
|
commandSize = sizeof(DS_ALPHASTRETCH);
|
||
|
|
|
||
|
|
if(cjIn < commandSize)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if(!StreamAlphaStretch(hdcTarget, hdcSource, (DS_ALPHASTRETCH*) pul))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
cjIn -= commandSize;
|
||
|
|
pul += commandSize / 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|