From: kramm <kramm>
Date: Wed, 7 Dec 2005 19:40:02 +0000 (+0000)
Subject: added masking and soft masking
X-Git-Tag: release-0-8-0~280
X-Git-Url: http://git.asbjorn.it/?a=commitdiff_plain;h=d75a50399914f3d07f396401acca748c2f901b61;p=swftools.git
added masking and soft masking
---
diff --git a/pdf2swf/SWFOutputDev.cc b/pdf2swf/SWFOutputDev.cc
index b3b510e..b54f1e6 100644
--- a/pdf2swf/SWFOutputDev.cc
+++ b/pdf2swf/SWFOutputDev.cc
@@ -232,6 +232,17 @@ public:
virtual void drawImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap *colorMap,
int *maskColors, GBool inlineImg);
+ virtual void drawMaskedImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height,
+ GfxImageColorMap *colorMap,
+ Stream *maskStr, int maskWidth, int maskHeight,
+ GBool maskInvert);
+ virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height,
+ GfxImageColorMap *colorMap,
+ Stream *maskStr,
+ int maskWidth, int maskHeight,
+ GfxImageColorMap *maskColorMap);
virtual GBool beginType3Char(GfxState *state, double x, double y, double dx, double dy, CharCode code, Unicode *u, int uLen);
virtual void endType3Char(GfxState *state);
@@ -242,7 +253,8 @@ public:
private:
void drawGeneralImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap*colorMap, GBool invert,
- GBool inlineImg, int mask, int *maskColors);
+ GBool inlineImg, int mask, int *maskColors,
+ Stream *maskStr, int maskWidth, int maskHeight, GBool maskInvert, GfxImageColorMap*maskColorMap);
int SWFOutputDev::setGfxFont(char*id, char*filename, double quality);
void strokeGfxline(GfxState *state, gfxline_t*line);
void clipToGfxLine(GfxState *state, gfxline_t*line);
@@ -921,7 +933,7 @@ gfxcolor_t getFillColor(GfxState * state)
col.r = colToByte(rgb.r);
col.g = colToByte(rgb.g);
col.b = colToByte(rgb.b);
- col.a = (unsigned char)(rgb.r*255);
+ col.a = (unsigned char)(opaq*255);
return col;
}
@@ -2236,22 +2248,59 @@ void drawimagelossless(gfxdevice_t*dev, gfxcolor_t*mem, int sizex,int sizey,
void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
int width, int height, GfxImageColorMap*colorMap, GBool invert,
- GBool inlineImg, int mask, int*maskColors)
+ GBool inlineImg, int mask, int*maskColors,
+ Stream *maskStr, int maskWidth, int maskHeight, GBool maskInvert, GfxImageColorMap*maskColorMap)
{
- FILE *fi;
- int c;
- char fileName[128];
double x1,y1,x2,y2,x3,y3,x4,y4;
ImageStream *imgStr;
Guchar pixBuf[4];
GfxRGB rgb;
int ncomps = 1;
int bits = 1;
+ unsigned char* maskbitmap = 0;
if(colorMap) {
ncomps = colorMap->getNumPixelComps();
bits = colorMap->getBits();
}
+
+ if(maskStr) {
+ int x,y;
+ unsigned char buf[8];
+ maskbitmap = (unsigned char*)malloc(maskHeight*maskWidth);
+ if(maskColorMap) {
+ ImageStream*imgMaskStr = new ImageStream(maskStr, maskWidth, maskColorMap->getNumPixelComps(), maskColorMap->getBits());
+ imgMaskStr->reset();
+ unsigned char pal[256];
+ int n = 1 << colorMap->getBits();
+ int t;
+ for(t=0;t<n;t++) {
+ GfxGray gray;
+ pixBuf[0] = t;
+ maskColorMap->getGray(pixBuf, &gray);
+ pal[t] = colToByte(gray);
+ }
+ for (y = 0; y < maskHeight; y++) {
+ for (x = 0; x < maskWidth; x++) {
+ imgMaskStr->getPixel(buf);
+ maskbitmap[y*maskWidth+x] = pal[buf[0]];
+ }
+ }
+ delete imgMaskStr;
+ } else {
+ ImageStream*imgMaskStr = new ImageStream(maskStr, maskWidth, 1, 1);
+ imgMaskStr->reset();
+ for (y = 0; y < maskHeight; y++) {
+ for (x = 0; x < maskWidth; x++) {
+ imgMaskStr->getPixel(buf);
+ buf[0]^=maskInvert;
+ maskbitmap[y*maskWidth+x] = (buf[0]^1)*255;
+ }
+ }
+ delete imgMaskStr;
+ }
+ }
+
imgStr = new ImageStream(str, width, ncomps,bits);
imgStr->reset();
@@ -2265,13 +2314,15 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
imgStr->getPixel(buf);
}
delete imgStr;
+ if(maskbitmap)
+ free(maskbitmap);
return;
}
-
- state->transform(0, 1, &x1, &y1); x1 += user_movex; y1+= user_movey;
- state->transform(0, 0, &x2, &y2); x2 += user_movex; y2+= user_movey;
- state->transform(1, 0, &x3, &y3); x3 += user_movex; y3+= user_movey;
- state->transform(1, 1, &x4, &y4); x4 += user_movex; y4+= user_movey;
+
+ state->transform(0, 1, &x1, &y1); x1 += user_movex; y1 += user_movey;
+ state->transform(0, 0, &x2, &y2); x2 += user_movex; y2 += user_movey;
+ state->transform(1, 0, &x3, &y3); x3 += user_movex; y3 += user_movey;
+ state->transform(1, 1, &x4, &y4); x4 += user_movex; y4 += user_movey;
if(!pbminfo && !(str->getKind()==strDCT)) {
if(!type3active) {
@@ -2356,8 +2407,9 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
free(pic2);
free(pic);
delete imgStr;
+ if(maskbitmap) free(maskbitmap);
return;
- }
+ }
int x,y;
@@ -2371,6 +2423,9 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
pic[width*y+x].g = (unsigned char)(colToByte(rgb.g));
pic[width*y+x].b = (unsigned char)(colToByte(rgb.b));
pic[width*y+x].a = 255;//(U8)(rgb.a * 255 + 0.5);
+ if(maskbitmap) {
+ pic[width*y+x].a = maskbitmap[(y*maskHeight/height)*maskWidth+(x*maskWidth/width)];
+ }
}
}
if(str->getKind()==strDCT)
@@ -2379,15 +2434,18 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
drawimagelossless(output, pic, width, height, x1,y1,x2,y2,x3,y3,x4,y4);
delete pic;
delete imgStr;
+ if(maskbitmap) free(maskbitmap);
return;
} else {
gfxcolor_t*pic=new gfxcolor_t[width*height];
gfxcolor_t pal[256];
+ int n = 1 << colorMap->getBits();
int t;
for(t=0;t<256;t++) {
pixBuf[0] = t;
colorMap->getRGB(pixBuf, &rgb);
- /*if(maskColors && *maskColors==t) {
+
+ {/*if(maskColors && *maskColors==t) {
msg("<notice> Color %d is transparent", t);
if (imgData->maskColors) {
*alpha = 0;
@@ -2407,10 +2465,10 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
pal[t].b = 0;
pal[t].a = 0;
}
- } else*/ {
- pal[t].r = (unsigned char)(rgb.r * 255 + 0.5);
- pal[t].g = (unsigned char)(rgb.g * 255 + 0.5);
- pal[t].b = (unsigned char)(rgb.b * 255 + 0.5);
+ } else {*/
+ pal[t].r = (unsigned char)(colToByte(rgb.r));
+ pal[t].g = (unsigned char)(colToByte(rgb.g));
+ pal[t].b = (unsigned char)(colToByte(rgb.b));
pal[t].a = 255;//(U8)(rgb.b * 255 + 0.5);
}
}
@@ -2418,12 +2476,16 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
for (x = 0; x < width; ++x) {
imgStr->getPixel(pixBuf);
pic[width*y+x] = pal[pixBuf[0]];
+ if(maskbitmap) {
+ pic[width*y+x].a = maskbitmap[(y*maskHeight/height)*maskWidth+(x*maskWidth/width)];
+ }
}
}
drawimagelossless(output, pic, width, height, x1,y1,x2,y2,x3,y3,x4,y4);
delete pic;
delete imgStr;
+ if(maskbitmap) free(maskbitmap);
return;
}
}
@@ -2435,7 +2497,7 @@ void SWFOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
if(states[statepos].textRender & 4) //clipped
return;
msg("<verbose> drawImageMask %dx%d, invert=%d inline=%d", width, height, invert, inlineImg);
- drawGeneralImage(state,ref,str,width,height,0,invert,inlineImg,1, 0);
+ drawGeneralImage(state,ref,str,width,height,0,invert,inlineImg,1, 0, 0,0,0,0, 0);
}
void SWFOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
@@ -2445,14 +2507,51 @@ void SWFOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
if(states[statepos].textRender & 4) //clipped
return;
- msg("<verbose> drawImage %dx%d, %s %s, inline=%d", width, height,
+ msg("<verbose> drawImage %dx%d, %s, %s, inline=%d", width, height,
colorMap?"colorMap":"no colorMap",
maskColors?"maskColors":"no maskColors",
inlineImg);
if(colorMap)
msg("<verbose> colorMap pixcomps:%d bits:%d mode:%d\n", colorMap->getNumPixelComps(),
colorMap->getBits(),colorMap->getColorSpace()->getMode());
- drawGeneralImage(state,ref,str,width,height,colorMap,0,inlineImg,0,maskColors);
+ drawGeneralImage(state,ref,str,width,height,colorMap,0,inlineImg,0,maskColors, 0,0,0,0, 0);
+}
+
+void SWFOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height,
+ GfxImageColorMap *colorMap,
+ Stream *maskStr, int maskWidth, int maskHeight,
+ GBool maskInvert)
+{
+ if(states[statepos].textRender & 4) //clipped
+ return;
+
+ msg("<verbose> drawMaskedImage %dx%d, %s, %dx%d mask", width, height,
+ colorMap?"colorMap":"no colorMap",
+ maskWidth, maskHeight);
+ if(colorMap)
+ msg("<verbose> colorMap pixcomps:%d bits:%d mode:%d\n", colorMap->getNumPixelComps(),
+ colorMap->getBits(),colorMap->getColorSpace()->getMode());
+ drawGeneralImage(state,ref,str,width,height,colorMap,0,0,0,0, maskStr, maskWidth, maskHeight, maskInvert, 0);
+}
+
+void SWFOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height,
+ GfxImageColorMap *colorMap,
+ Stream *maskStr,
+ int maskWidth, int maskHeight,
+ GfxImageColorMap *maskColorMap)
+{
+ if(states[statepos].textRender & 4) //clipped
+ return;
+
+ msg("<verbose> drawSoftMaskedImage %dx%d, %s, %dx%d mask", width, height,
+ colorMap?"colorMap":"no colorMap",
+ maskWidth, maskHeight);
+ if(colorMap)
+ msg("<verbose> colorMap pixcomps:%d bits:%d mode:%d\n", colorMap->getNumPixelComps(),
+ colorMap->getBits(),colorMap->getColorSpace()->getMode());
+ drawGeneralImage(state,ref,str,width,height,colorMap,0,0,0,0, maskStr, maskWidth, maskHeight, 0, maskColorMap);
}
//SWFOutputDev*output = 0;