squilu/fltk/nanosvg/altsvgrast.diff

1,6d0
< //
< // "$Id: altsvgrast.diff 12415 2017-09-03 13:20:52Z manolo $"
< //
< 
< /* Modified by FLTK from original sources to support non-square X,Y axes scaling */
< 
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< 
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< 
< 	// For non-square X,Y scaling, use
< 	nsvgAltRasterize(rast, image, 0,0,1,1, img, w, h, w*4);
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< //   scale - image scale (assumes square aspect ratio)
---
> //   scale - image scale
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< // As above, but allow X and Y axes to scale independently for non-square aspects
< void nsvgAltRasterize(NSVGrasterizer* r,
< 				   NSVGimage* image, float tx, float ty,
< 				   float sx, float sy,
< 				   unsigned char* dst, int w, int h, int stride);
< 
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< static void nsvg__flattenShape(NSVGrasterizer* r, NSVGshape* shape, float sx, float sy)
---
> static void nsvg__flattenShape(NSVGrasterizer* r, NSVGshape* shape, float scale)
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< 		nsvg__addPathPoint(r, path->pts[0]*sx, path->pts[1]*sy, 0);
---
> 		nsvg__addPathPoint(r, path->pts[0]*scale, path->pts[1]*scale, 0);
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< 			nsvg__flattenCubicBez(r, p[0]*sx,p[1]*sy, p[2]*sx,p[3]*sy, p[4]*sx,p[5]*sy, p[6]*sx,p[7]*sy, 0, 0);
---
> 			nsvg__flattenCubicBez(r, p[0]*scale,p[1]*scale, p[2]*scale,p[3]*scale, p[4]*scale,p[5]*scale, p[6]*scale,p[7]*scale, 0, 0);
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< 		nsvg__addPathPoint(r, path->pts[0]*sx, path->pts[1]*sy, 0);
---
> 		nsvg__addPathPoint(r, path->pts[0]*scale, path->pts[1]*scale, 0);
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< static void nsvg__flattenShapeStroke(NSVGrasterizer* r, NSVGshape* shape, float sx, float sy)
---
> static void nsvg__flattenShapeStroke(NSVGrasterizer* r, NSVGshape* shape, float scale)
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< 	const float sw = (sx + sy) / 2; // average scaling factor
< 	const float lineWidth = shape->strokeWidth * sw; // FIXME (?)
---
> 	float lineWidth = shape->strokeWidth * scale;
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< 		nsvg__addPathPoint(r, path->pts[0]*sx, path->pts[1]*sy, NSVG_PT_CORNER);
---
> 		nsvg__addPathPoint(r, path->pts[0]*scale, path->pts[1]*scale, NSVG_PT_CORNER);
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< 			nsvg__flattenCubicBez(r, p[0]*sx,p[1]*sy, p[2]*sx,p[3]*sy, p[4]*sx,p[5]*sy, p[6]*sx,p[7]*sy, 0, NSVG_PT_CORNER);
---
> 			nsvg__flattenCubicBez(r, p[0]*scale,p[1]*scale, p[2]*scale,p[3]*scale, p[4]*scale,p[5]*scale, p[6]*scale,p[7]*scale, 0, NSVG_PT_CORNER);
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< 			dashLen = (shape->strokeDashArray[idash] - dashOffset) * sw;
---
> 			dashLen = (shape->strokeDashArray[idash] - dashOffset) * scale;
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< 					dashLen = shape->strokeDashArray[idash] * sw;
---
> 					dashLen = shape->strokeDashArray[idash] * scale;
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< 								float tx, float ty, float sx, float sy, NSVGcachedPaint* cache)
---
> 								float tx, float ty, float scale, NSVGcachedPaint* cache)
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< 		fx = ((float)x - tx) / sx;
< 		fy = ((float)y - ty) / sy;
< 		dx = 1.0f / sx;
---
> 		fx = ((float)x - tx) / scale;
> 		fy = ((float)y - ty) / scale;
> 		dx = 1.0f / scale;
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< 		fx = ((float)x - tx) / sx;
< 		fy = ((float)y - ty) / sy;
< 		dx = 1.0f / sx;
---
> 		fx = ((float)x - tx) / scale;
> 		fy = ((float)y - ty) / scale;
> 		dx = 1.0f / scale;
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< static void nsvg__rasterizeSortedEdges(NSVGrasterizer *r, float tx, float ty, float sx, float sy, NSVGcachedPaint* cache, char fillRule)
---
> static void nsvg__rasterizeSortedEdges(NSVGrasterizer *r, float tx, float ty, float scale, NSVGcachedPaint* cache, char fillRule)
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< 			nsvg__scanlineSolid(&r->bitmap[y * r->stride] + xmin*4, xmax-xmin+1, &r->scanline[xmin], xmin, y, tx,ty, sx, sy, cache);
---
> 			nsvg__scanlineSolid(&r->bitmap[y * r->stride] + xmin*4, xmax-xmin+1, &r->scanline[xmin], xmin, y, tx,ty, scale, cache);
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< void nsvgAltRasterize(NSVGrasterizer* r,
< 				   NSVGimage* image, float tx, float ty,
< 				   float sx, float sy,
---
> void nsvgRasterize(NSVGrasterizer* r,
> 				   NSVGimage* image, float tx, float ty, float scale,
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< 			nsvg__flattenShape(r, shape, sx, sy);
---
> 			nsvg__flattenShape(r, shape, scale);
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< 			nsvg__rasterizeSortedEdges(r, tx,ty, sx, sy, &cache, shape->fillRule);
---
> 			nsvg__rasterizeSortedEdges(r, tx,ty,scale, &cache, shape->fillRule);
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< 		if (shape->stroke.type != NSVG_PAINT_NONE && (shape->strokeWidth * sx) > 0.01f) {
---
> 		if (shape->stroke.type != NSVG_PAINT_NONE && (shape->strokeWidth * scale) > 0.01f) {
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< 			nsvg__flattenShapeStroke(r, shape, sx, sy);
---
> 			nsvg__flattenShapeStroke(r, shape, scale);
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< 			nsvg__rasterizeSortedEdges(r, tx,ty,sx, sy, &cache, NSVG_FILLRULE_NONZERO);
---
> 			nsvg__rasterizeSortedEdges(r, tx,ty,scale, &cache, NSVG_FILLRULE_NONZERO);
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< void nsvgRasterize(NSVGrasterizer* r,
< 				   NSVGimage* image, float tx, float ty, float scale,
< 				   unsigned char* dst, int w, int h, int stride)
< {
< 	nsvgAltRasterize(r,image, tx, ty, scale, scale, dst, w, h, stride);
< }
< 
< #endif // NANOSVGRAST_IMPLEMENTATION
< 
< 
< //
< // End of "$Id: altsvgrast.diff 12415 2017-09-03 13:20:52Z manolo $".
< //
---
> #endif