diff options
Diffstat (limited to 'source/blender/img/intern/IMG_CanvasRGBA32.cpp')
-rw-r--r-- | source/blender/img/intern/IMG_CanvasRGBA32.cpp | 259 |
1 files changed, 256 insertions, 3 deletions
diff --git a/source/blender/img/intern/IMG_CanvasRGBA32.cpp b/source/blender/img/intern/IMG_CanvasRGBA32.cpp index 2fd5e276298..72e4aaf8fd1 100644 --- a/source/blender/img/intern/IMG_CanvasRGBA32.cpp +++ b/source/blender/img/intern/IMG_CanvasRGBA32.cpp @@ -48,16 +48,18 @@ IMG_CanvasRGBA32::IMG_CanvasRGBA32(void* image, TUns32 width, TUns32 height, TUn void IMG_CanvasRGBA32::blendPixmap( TUns32 xStart, TUns32 yStart, TUns32 xEnd, TUns32 yEnd, - const IMG_PixmapRGBA32& pixmap) + const IMG_PixmapRGBA32& pixmap,char mode) { // Determine visibility of the line IMG_Line l (xStart, yStart, xEnd, yEnd); // Line used for blending IMG_Rect bnds (0, 0, m_width, m_height); // Bounds of this pixmap TVisibility v = bnds.getVisibility(l); + if (mode == 'c'){ if (v == kNotVisible) return; if (v == kPartiallyVisible) { bnds.clip(l); } + } float numSteps = (((float)l.getLength()) / ((float)pixmap.getWidth() / 4)); //numSteps *= 4; @@ -66,7 +68,12 @@ void IMG_CanvasRGBA32::blendPixmap( TInt32 x, y; for (TUns32 s = 0; s < numSteps; s++) { l.getPoint(step, x, y); + if (mode == 'c') { IMG_PixmapRGBA32::blendPixmap((TUns32)x, (TUns32)y, pixmap); + } + else { + if (mode == 't') IMG_PixmapRGBA32::blendPixmapTorus((TUns32)x, (TUns32)y, pixmap); + } step += stepSize; } } @@ -74,11 +81,257 @@ void IMG_CanvasRGBA32::blendPixmap( void IMG_CanvasRGBA32::blendPixmap( float uStart, float vStart, float uEnd, float vEnd, - const IMG_PixmapRGBA32& pixmap) + const IMG_PixmapRGBA32& pixmap, char mode) { TUns32 xStart, yStart, xEnd, yEnd; getPixelAddress(uStart, vStart, xStart, yStart); getPixelAddress(uEnd, vEnd, xEnd, yEnd); - blendPixmap(xStart, yStart, xEnd, yEnd, pixmap); + blendPixmap(xStart, yStart, xEnd, yEnd, pixmap,mode); } + +void IMG_CanvasRGBA32::SoftenAt(float u, float v, TUns32 size, float alpha, float aspect,char mode) +{ + IMG_BrushRGBA32* brush = 0; + int flag=0; + try { + IMG_ColorRGB c (1.0, 1.0, 1.0); + brush = new IMG_BrushRGBA32 (size, size, c, alpha); + } + catch (...) { + /* no brush , no fun ! */ + return; + } + + TUns32 ro,ri; + ro = size/2; + ri = (int)(aspect/2.0f * size); + if (ri > 2 ) ri =2; + if (ri > ro ) ri =ro; + brush->setRadii(ri,ro); + + + TUns32 x, y; + TUns32 xx, yy; + getPixelAddress(u, v, x, y); + xx = x - size/2; + yy = y - size/2; + if(mode == 't') flag = 1; + + /* now modify brush */ + for (int i= 0 ; i<(int)size;i++){ + for (int j= 0 ; j<(int)size;j++){ + + float sR,sG,sB,sA; + float cR,cG,cB=0.0; + +if(mode == 't') + IMG_PixmapRGBA32::getRGBAatTorus(xx+i,yy+j ,&cR,&cG,&cB,0); + +else + IMG_PixmapRGBA32::getRGBAat(xx+i,yy+j ,&cR,&cG,&cB,0); + int ccount = 1; + /* + cR += 7.0*cR; + cG += 7.0*cG; + cB += 7.0*cB; + ccount += 7.0; + */ + +add_if_in(xx+i+1,yy+j+1,cR,cG,cB,ccount,flag); +add_if_in(xx+i+1,yy+j ,cR,cG,cB,ccount,flag); +add_if_in(xx+i+1,yy+j-1,cR,cG,cB,ccount,flag); + +add_if_in(xx+i,yy+j+1,cR,cG,cB,ccount,flag); +add_if_in(xx+i,yy+j-1,cR,cG,cB,ccount,flag); + +add_if_in(xx+i-1,yy+j+1,cR,cG,cB,ccount,flag); +add_if_in(xx+i-1,yy+j ,cR,cG,cB,ccount,flag); +add_if_in(xx+i-1,yy+j-1,cR,cG,cB,ccount,flag); + + + sR =cR*255.0f/ccount; + sG =cG*255.0f/ccount; + sB =cB*255.0f/ccount; + + sA =255.0; + brush->setRGBAat(i,j,&sR,&sG,&sB,NULL); + } + } + + /* apply */ +if(mode == 't') + IMG_PixmapRGBA32::blendPixmapTorus(x, y, *brush); +else + IMG_PixmapRGBA32::blendPixmap(x, y, *brush); + /* done clean up */ + if (brush) { + delete ((IMG_BrushRGBA32*)brush); + brush = 0; + } +} + + +IMG_BrushRGBA32* IMG_CanvasRGBA32::LiftBrush(TUns32 x, TUns32 y, TUns32 size, float alpha, float aspect, short flags ) +{ + IMG_BrushRGBA32* brush = 0; + float mR,mG,mB=0.0; + try { + IMG_ColorRGB c (1.0, 1.0, 1.0); + brush = new IMG_BrushRGBA32 (size, size, c, alpha); + } + catch (...) { + /* no brush , no fun ! */ + return(NULL); + } + + TUns32 ro,ri; + ro = size/2; + ri = (int)(aspect/2.0f * size); + if (ri > 2 ) ri =2; + if (ri > ro ) ri =ro; + brush->setRadii(ri,ro); + + + TUns32 xx, yy; + xx = x - size/2; + yy = y - size/2; + IMG_PixmapRGBA32::getRGBAat(xx,yy,&mR,&mG,&mB,0); + for (int i= 0 ; i<(int)size;i++){ + for (int j= 0 ; j<(int)size;j++){ + float cR,cG,cB,cA=0.0; + cR = mR; cG = mG; cB = mB; + int res =IMG_PixmapRGBA32::getRGBAat(xx+i,yy+j ,&cR,&cG,&cB,0); + cR *= 255.0f; + cG *= 255.0f; + cB *= 255.0f; + cA *= 0.0; + if (res) + brush->setRGBAat(i,j,&cR,&cG,&cB,NULL); + else + brush->setRGBAat(i,j,&cR,&cG,&cB,&cA); + + } + } + return(brush); +} + +IMG_BrushRGBA32* IMG_CanvasRGBA32::LiftBrush(float u, float v, TUns32 size, float alpha, float aspect, short flags ) +{ + IMG_BrushRGBA32* brush = 0; + float mR,mG,mB=0.0; + try { + IMG_ColorRGB c (1.0, 1.0, 1.0); + brush = new IMG_BrushRGBA32 (size, size, c, alpha); + } + catch (...) { + /* no brush , no fun ! */ + return(NULL); + } + + TUns32 ro,ri; + ro = size/2; + ri = (int)(aspect/2.0f * size); + if (ri > 2 ) ri =2; + if (ri > ro ) ri =ro; + brush->setRadii(ri,ro); + + + TUns32 x, y; + TUns32 xx, yy; + getPixelAddress(u, v, x, y); + xx = x - size/2; + yy = y - size/2; + IMG_PixmapRGBA32::getRGBAat(xx,yy,&mR,&mG,&mB,0); + for (int i= 0 ; i<(int)size;i++){ + for (int j= 0 ; j<(int)size;j++){ + float cR,cG,cB=0.0; + if (flags & 0x1) + IMG_PixmapRGBA32::getRGBAatTorus(xx+i,yy+j ,&cR,&cG,&cB,0); + else { + cR = mR; cG = mG; cB = mB; + IMG_PixmapRGBA32::getRGBAat(xx+i,yy+j ,&cR,&cG,&cB,0); + } + cR *= 255.0f; + cG *= 255.0f; + cB *= 255.0f; + brush->setRGBAat(i,j,&cR,&cG,&cB,NULL); + } + } + return(brush); +} + +void IMG_CanvasRGBA32::Smear(float uStart, float vStart, float uEnd, float vEnd, TUns32 size, float alpha, float aspect,char mode) +{ + IMG_BrushRGBA32* brush = NULL; + float du,dv; + du = uEnd - uStart; + dv = vEnd - vStart; + try { + brush = LiftBrush(uStart-du,vStart-dv,size,alpha,aspect,1); + } + catch (...) { + /* no brush , no fun ! */ + return; + } + if (brush){ + blendPixmap(uStart,vStart,uEnd,vEnd,*brush,mode); + delete(brush); + } + +} + +void IMG_CanvasRGBA32::CloneAt(IMG_CanvasRGBA32* other,float u,float v,float cu,float cv,TUns32 size,float alpha,float aspect) +{ + TUns32 x, y; + TUns32 cx, cy; + TUns32 xx, yy; + getPixelAddress(u, v, x, y); + getPixelAddress(cu, cv, cx, cy); + + xx = (x-cx);// - size/2; + yy = (y-cy);// - size/2; + + if (other == NULL) return; + IMG_BrushRGBA32* brush = NULL; + try { + brush = other->LiftBrush(xx,yy,size,alpha,aspect,1); + } + catch (...) { + /* no brush , no fun ! */ + return; + } + if (brush){ + IMG_PixmapRGBA32::blendPixmap(x, y, *brush); + delete(brush); + } + +} + + + +int IMG_CanvasRGBA32::add_if_in(int x, int y,float &R,float &G,float &B, int &count, short flags) + +{ + float r,g,b= 0.0f; + if ((flags & 0x1) == 0) + { + if (IMG_PixmapRGBA32::getRGBAat(x,y,&r,&g,&b,0)) + { + R += r; + G += g; + B += b; + count++; + } +} + else { + + IMG_PixmapRGBA32::getRGBAatTorus(x,y,&r,&g,&b,0); + R += r; + G += g; + B += b; + count++; + } + + return 1; +} |