diff options
Diffstat (limited to 'source/nanovg/nanosvg.h')
| -rw-r--r-- | source/nanovg/nanosvg.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/source/nanovg/nanosvg.h b/source/nanovg/nanosvg.h deleted file mode 100644 index 4d9257f..0000000 --- a/source/nanovg/nanosvg.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (c) 2013-14 Mikko Mononen memon@inside.org - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * 3. This notice may not be removed or altered from any source distribution. - * - * The SVG parser is based on Anti-Grain Geometry 2.4 SVG example - * Copyright (C) 2002-2004 Maxim Shemanarev (McSeem) (http://www.antigrain.com/) - * - * Arc calculation code based on canvg (https://code.google.com/p/canvg/) - * - * Bounding box calculation based on http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html - * - */ - -#ifndef NANOSVG_H_F380EFB6_CDA3_11EA_AF56_AF372EEE82E3 -#define NANOSVG_H_F380EFB6_CDA3_11EA_AF56_AF372EEE82E3 - -#ifdef __cplusplus -extern "C" { -#endif - -// NanoSVG is a simple stupid single-header-file SVG parse. The output of the parser is a list of cubic bezier shapes. -// -// The library suits well for anything from rendering scalable icons in your editor application to prototyping a game. -// -// NanoSVG supports a wide range of SVG features, but something may be missing, feel free to create a pull request! -// -// The shapes in the SVG images are transformed by the viewBox and converted to specified units. -// That is, you should get the same looking data as your designed in your favorite app. -// -// NanoSVG can return the paths in few different units. For example if you want to render an image, you may choose -// to get the paths in pixels, or if you are feeding the data into a CNC-cutter, you may want to use millimeters. -// -// The units passed to NanoSVG should be one of: 'px', 'pt', 'pc' 'mm', 'cm', or 'in'. -// DPI (dots-per-inch) controls how the unit conversion is done. -// -// If you don't know or care about the units stuff, "px" and 96 should get you going. - - -/* Example Usage: - // Load SVG - NSVGimage* image; - image = nsvgParseFromFile("test.svg", "px", 96); - printf("size: %f x %f\n", image->width, image->height); - // Use... - for (NSVGshape *shape = image->shapes; shape != NULL; shape = shape->next) { - for (NSVGpath *path = shape->paths; path != NULL; path = path->next) { - for (int i = 0; i < path->npts-1; i += 3) { - float* p = &path->pts[i*2]; - drawCubicBez(p[0],p[1], p[2],p[3], p[4],p[5], p[6],p[7]); - } - } - } - // Delete - nsvgDelete(image); -*/ - -enum NSVGpaintType { - NSVG_PAINT_UNDEF = -1, - NSVG_PAINT_NONE = 0, - NSVG_PAINT_COLOR = 1, - NSVG_PAINT_LINEAR_GRADIENT = 2, - NSVG_PAINT_RADIAL_GRADIENT = 3 -}; - -enum NSVGspreadType { - NSVG_SPREAD_PAD = 0, - NSVG_SPREAD_REFLECT = 1, - NSVG_SPREAD_REPEAT = 2 -}; - -enum NSVGlineJoin { - NSVG_JOIN_MITER = 0, - NSVG_JOIN_ROUND = 1, - NSVG_JOIN_BEVEL = 2 -}; - -enum NSVGlineCap { - NSVG_CAP_BUTT = 0, - NSVG_CAP_ROUND = 1, - NSVG_CAP_SQUARE = 2 -}; - -enum NSVGfillRule { - NSVG_FILLRULE_NONZERO = 0, - NSVG_FILLRULE_EVENODD = 1 -}; - -enum NSVGflags { - NSVG_FLAGS_VISIBLE = 0x01 -}; - -typedef struct NSVGgradientStop { - unsigned int color; - float offset; -} NSVGgradientStop; - -typedef struct NSVGgradient { - float xform[6]; - char spread; - float fx, fy; - int nstops; - NSVGgradientStop stops[1]; -} NSVGgradient; - -typedef struct NSVGpaint { - signed char type; - union { - unsigned int color; - NSVGgradient* gradient; - }; -} NSVGpaint; - -typedef struct NSVGpath -{ - float* pts; // Cubic bezier points: x0,y0, [cpx1,cpx1,cpx2,cpy2,x1,y1], ... - int npts; // Total number of bezier points. - char closed; // Flag indicating if shapes should be treated as closed. - float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. - struct NSVGpath* next; // Pointer to next path, or NULL if last element. -} NSVGpath; - -typedef struct NSVGshape -{ - char id[64]; // Optional 'id' attr of the shape or its group - NSVGpaint fill; // Fill paint - NSVGpaint stroke; // Stroke paint - float opacity; // Opacity of the shape. - float strokeWidth; // Stroke width (scaled). - float strokeDashOffset; // Stroke dash offset (scaled). - float strokeDashArray[8]; // Stroke dash array (scaled). - char strokeDashCount; // Number of dash values in dash array. - char strokeLineJoin; // Stroke join type. - char strokeLineCap; // Stroke cap type. - float miterLimit; // Miter limit - char fillRule; // Fill rule, see NSVGfillRule. - unsigned char flags; // Logical or of NSVG_FLAGS_* flags - float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. - char fillGradient[64]; // Optional 'id' of fill gradient - char strokeGradient[64]; // Optional 'id' of stroke gradient - float xform[6]; // Root transformation for fill/stroke gradient - NSVGpath* paths; // Linked list of paths in the image. - struct NSVGshape* next; // Pointer to next shape, or NULL if last element. -} NSVGshape; - -typedef struct NSVGimage -{ - float width; // Width of the image. - float height; // Height of the image. - NSVGshape* shapes; // Linked list of shapes in the image. -} NSVGimage; - -// Parses SVG file from a file, returns SVG image as paths. -NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi); - -// Parses SVG file from a null terminated string, returns SVG image as paths. -// Important note: changes the string. -NSVGimage* nsvgParse(char* input, const char* units, float dpi); - -// Duplicates a path. -NSVGpath* nsvgDuplicatePath(NSVGpath* p); - -// Deletes an image. -void nsvgDelete(NSVGimage* image); - -#ifdef __cplusplus -} -#endif - -#endif // NANOSVG_H_F380EFB6_CDA3_11EA_AF56_AF372EEE82E3 |