Update bundled nanosvg library to current upstream version
... with FLTK modifications (see README.bundled-libs.txt). This fixes an issue where some svg images could not be loaded. Upstream: https://github.com/memononen/nanosvg/ commit 9da543e8329fdd81b64eb48742d8ccb09377aed1 (upstream/master) Merge: c886e50 0ce2e2b Author: Mikko Mononen <memononen@gmail.com> Date: Sun Dec 4 17:46:22 2022 +0200 Merge pull request #236 from sezero/signed-char change struct NSVGpaint:type to signed char
This commit is contained in:
Albrecht Schlosser
parent
6ea1f73d93
commit
c5f4934995
@ -20,7 +20,7 @@ Current versions of bundled libraries (as of Sep 13, 2021):
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Library Version Release date FLTK Version
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--------------------------------------------------------------------------
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jpeg jpeg-9d 2020-01-12 1.4.0
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nanosvg 06a9113e29 [1] 2022-07-09 1.4.0
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nanosvg abcd277ea4 [1] 2022-12-22 1.4.0
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png libpng-1.6.37 2019-04-14 1.4.0
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zlib zlib-1.2.11 2017-01-15 1.4.0
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--------------------------------------------------------------------------
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@ -22,34 +22,53 @@ For more information see README.bundled-libs.txt in FLTK's root directory.
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Changes in the FLTK fork, branch 'fltk':
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-----------------------------------------
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$ git show --no-patch fltk_2021-09-13
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tag fltk_2021-09-13
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$ git show --no-patch fltk_2022-12-22
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tag fltk_2022-12-22
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Tagger: Albrecht Schlosser <albrechts.fltk@online.de>
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Date: Mon Sep 13 19:09:40 2021 +0200
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Date: Thu Dec 22 00:44:33 2022 +0100
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FLTK modifications as of Sep 13, 2021:
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Latest nanosvg changes as of Dec 22, 2022:
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$ git shortlog master..fltk
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AlbrechtS (2):
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Fix Visual Studio compilation error (missing long long).
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Modify rasterizer to support non-square X,Y axes scaling.
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$ git log -3 fltk
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commit abcd277ea45e9098bed752cf9c6875b533c0892f (HEAD -> fltk)
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Author: AlbrechtS <AlbrechtS.svn@fltk.example.org>
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Date: Sun Feb 4 23:47:38 2018 +0100
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Greg Ercolano (1):
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Clip integer RGB percent values > 100
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Modify rasterizer to support non-square X,Y axes scaling.
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Latest upstream commit (master):
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Add new function nsvgRasterizeXY() similar to nsvgRasterize() but with
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separate scaling factors for x-axis and y-axis.
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commit ccdb1995134d340a93fb20e3a3d323ccb3838dd0
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Merge: 3cdd4a9 419782d
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commit 6ea21790604e7f0e84b2260fed34173ed475365e
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Author: AlbrechtS <AlbrechtS.svn@fltk.example.org>
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Date: Sun Feb 4 23:43:30 2018 +0100
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Fix Visual Studio compilation error (missing long long).
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Change 'long long intPart' to 'double intPart' and replace
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strtoll() with _strtoi64() when built with Visual Studio.
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commit 9da543e8329fdd81b64eb48742d8ccb09377aed1 (upstream/master)
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Merge: c886e50 0ce2e2b
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Author: Mikko Mononen <memononen@gmail.com>
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Date: Fri Sep 3 21:24:42 2021 +0300
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Date: Sun Dec 4 17:46:22 2022 +0200
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Merge pull request #198 from ctrlcctrlv/CVE_2019_1000032
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Merge pull request #236 from sezero/signed-char
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Fix decimal values in color fields (nsvg__parseColorRGB, nsvg__parseColorHex)
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change struct NSVGpaint:type to signed char
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commit 461ad7de70d5fd3f09fc214e4baaadb830a2a270 (HEAD -> fltk, tag: fltk_2021-09-13, origin/fltk, origin/HEAD)
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Author: Greg Ercolano <erco@seriss.com>
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Date: Mon Jan 18 15:05:13 2021 -0800
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----
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Clip integer RGB percent values > 100
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Commits abcd277ea4 and 6ea2179060 are FLTK specific,
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commit 9da543e832 is the latest upstream commit
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---- End of tag ----
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commit abcd277ea45e9098bed752cf9c6875b533c0892f (HEAD -> fltk, tag: fltk_2022-12-22)
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Author: AlbrechtS <AlbrechtS.svn@fltk.example.org>
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Date: Sun Feb 4 23:47:38 2018 +0100
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Modify rasterizer to support non-square X,Y axes scaling.
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Add new function nsvgRasterizeXY() similar to nsvgRasterize() but with
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separate scaling factors for x-axis and y-axis.
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@ -72,6 +72,7 @@ extern "C" {
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*/
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enum NSVGpaintType {
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NSVG_PAINT_UNDEF = -1,
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NSVG_PAINT_NONE = 0,
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NSVG_PAINT_COLOR = 1,
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NSVG_PAINT_LINEAR_GRADIENT = 2,
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@ -119,7 +120,7 @@ typedef struct NSVGgradient {
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} NSVGgradient;
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typedef struct NSVGpaint {
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char type;
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signed char type;
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union {
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unsigned int color;
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NSVGgradient* gradient;
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@ -143,14 +144,17 @@ typedef struct NSVGshape
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float opacity; // Opacity of the shape.
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float strokeWidth; // Stroke width (scaled).
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float strokeDashOffset; // Stroke dash offset (scaled).
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float strokeDashArray[8]; // Stroke dash array (scaled).
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char strokeDashCount; // Number of dash values in dash array.
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float strokeDashArray[8]; // Stroke dash array (scaled).
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char strokeDashCount; // Number of dash values in dash array.
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char strokeLineJoin; // Stroke join type.
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char strokeLineCap; // Stroke cap type.
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float miterLimit; // Miter limit
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char fillRule; // Fill rule, see NSVGfillRule.
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unsigned char flags; // Logical or of NSVG_FLAGS_* flags
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float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy].
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char fillGradient[64]; // Optional 'id' of fill gradient
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char strokeGradient[64]; // Optional 'id' of stroke gradient
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float xform[6]; // Root transformation for fill/stroke gradient
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NSVGpath* paths; // Linked list of paths in the image.
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struct NSVGshape* next; // Pointer to next shape, or NULL if last element.
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} NSVGshape;
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@ -394,7 +398,7 @@ typedef struct NSVGgradientData
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{
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char id[64];
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char ref[64];
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char type;
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signed char type;
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union {
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NSVGlinearData linear;
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NSVGradialData radial;
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@ -610,7 +614,7 @@ static void nsvg__curveBounds(float* bounds, float* curve)
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}
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}
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static NSVGparser* nsvg__createParser()
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static NSVGparser* nsvg__createParser(void)
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{
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NSVGparser* p;
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p = (NSVGparser*)malloc(sizeof(NSVGparser));
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@ -814,9 +818,8 @@ static NSVGgradientData* nsvg__findGradientData(NSVGparser* p, const char* id)
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return NULL;
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}
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static NSVGgradient* nsvg__createGradient(NSVGparser* p, const char* id, const float* localBounds, char* paintType)
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static NSVGgradient* nsvg__createGradient(NSVGparser* p, const char* id, const float* localBounds, float *xform, signed char* paintType)
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{
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NSVGattrib* attr = nsvg__getAttr(p);
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NSVGgradientData* data = NULL;
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NSVGgradientData* ref = NULL;
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NSVGgradientStop* stops = NULL;
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@ -891,7 +894,7 @@ static NSVGgradient* nsvg__createGradient(NSVGparser* p, const char* id, const f
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}
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nsvg__xformMultiply(grad->xform, data->xform);
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nsvg__xformMultiply(grad->xform, attr->xform);
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nsvg__xformMultiply(grad->xform, xform);
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grad->spread = data->spread;
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memcpy(grad->stops, stops, nstops*sizeof(NSVGgradientStop));
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@ -955,6 +958,9 @@ static void nsvg__addShape(NSVGparser* p)
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memset(shape, 0, sizeof(NSVGshape));
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memcpy(shape->id, attr->id, sizeof shape->id);
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memcpy(shape->fillGradient, attr->fillGradient, sizeof shape->fillGradient);
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memcpy(shape->strokeGradient, attr->strokeGradient, sizeof shape->strokeGradient);
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memcpy(shape->xform, attr->xform, sizeof shape->xform);
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scale = nsvg__getAverageScale(attr->xform);
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shape->strokeWidth = attr->strokeWidth * scale;
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shape->strokeDashOffset = attr->strokeDashOffset * scale;
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@ -990,13 +996,7 @@ static void nsvg__addShape(NSVGparser* p)
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shape->fill.color = attr->fillColor;
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shape->fill.color |= (unsigned int)(attr->fillOpacity*255) << 24;
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} else if (attr->hasFill == 2) {
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float inv[6], localBounds[4];
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nsvg__xformInverse(inv, attr->xform);
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nsvg__getLocalBounds(localBounds, shape, inv);
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shape->fill.gradient = nsvg__createGradient(p, attr->fillGradient, localBounds, &shape->fill.type);
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if (shape->fill.gradient == NULL) {
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shape->fill.type = NSVG_PAINT_NONE;
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}
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shape->fill.type = NSVG_PAINT_UNDEF;
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}
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// Set stroke
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@ -1007,12 +1007,7 @@ static void nsvg__addShape(NSVGparser* p)
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shape->stroke.color = attr->strokeColor;
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shape->stroke.color |= (unsigned int)(attr->strokeOpacity*255) << 24;
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} else if (attr->hasStroke == 2) {
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float inv[6], localBounds[4];
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nsvg__xformInverse(inv, attr->xform);
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nsvg__getLocalBounds(localBounds, shape, inv);
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shape->stroke.gradient = nsvg__createGradient(p, attr->strokeGradient, localBounds, &shape->stroke.type);
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if (shape->stroke.gradient == NULL)
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shape->stroke.type = NSVG_PAINT_NONE;
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shape->stroke.type = NSVG_PAINT_UNDEF;
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}
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// Set flags
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@ -1202,6 +1197,19 @@ static const char* nsvg__parseNumber(const char* s, char* it, const int size)
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return s;
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}
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static const char* nsvg__getNextPathItemWhenArcFlag(const char* s, char* it)
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{
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it[0] = '\0';
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while (*s && (nsvg__isspace(*s) || *s == ',')) s++;
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if (!*s) return s;
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if (*s == '0' || *s == '1') {
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it[0] = *s++;
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it[1] = '\0';
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return s;
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}
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return s;
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}
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static const char* nsvg__getNextPathItem(const char* s, char* it)
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{
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it[0] = '\0';
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@ -1689,9 +1697,9 @@ static void nsvg__parseUrl(char* id, const char* str)
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{
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int i = 0;
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str += 4; // "url(";
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if (*str == '#')
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if (*str && *str == '#')
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str++;
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while (i < 63 && *str != ')') {
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while (i < 63 && *str && *str != ')') {
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id[i] = *str++;
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i++;
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}
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@ -2287,7 +2295,11 @@ static void nsvg__parsePath(NSVGparser* p, const char** attr)
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nargs = 0;
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while (*s) {
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s = nsvg__getNextPathItem(s, item);
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item[0] = '\0';
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if ((cmd == 'A' || cmd == 'a') && (nargs == 3 || nargs == 4))
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s = nsvg__getNextPathItemWhenArcFlag(s, item);
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if (!*item)
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s = nsvg__getNextPathItem(s, item);
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if (!*item) break;
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if (cmd != '\0' && nsvg__isCoordinate(item)) {
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if (nargs < 10)
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@ -2632,7 +2644,7 @@ static void nsvg__parseSVG(NSVGparser* p, const char** attr)
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}
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}
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static void nsvg__parseGradient(NSVGparser* p, const char** attr, char type)
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static void nsvg__parseGradient(NSVGparser* p, const char** attr, signed char type)
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{
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int i;
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NSVGgradientData* grad = (NSVGgradientData*)malloc(sizeof(NSVGgradientData));
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@ -2957,6 +2969,36 @@ static void nsvg__scaleToViewbox(NSVGparser* p, const char* units)
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}
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}
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static void nsvg__createGradients(NSVGparser* p)
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{
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NSVGshape* shape;
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for (shape = p->image->shapes; shape != NULL; shape = shape->next) {
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if (shape->fill.type == NSVG_PAINT_UNDEF) {
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if (shape->fillGradient[0] != '\0') {
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float inv[6], localBounds[4];
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nsvg__xformInverse(inv, shape->xform);
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nsvg__getLocalBounds(localBounds, shape, inv);
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shape->fill.gradient = nsvg__createGradient(p, shape->fillGradient, localBounds, shape->xform, &shape->fill.type);
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}
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if (shape->fill.type == NSVG_PAINT_UNDEF) {
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shape->fill.type = NSVG_PAINT_NONE;
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}
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}
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if (shape->stroke.type == NSVG_PAINT_UNDEF) {
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if (shape->strokeGradient[0] != '\0') {
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float inv[6], localBounds[4];
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nsvg__xformInverse(inv, shape->xform);
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nsvg__getLocalBounds(localBounds, shape, inv);
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shape->stroke.gradient = nsvg__createGradient(p, shape->strokeGradient, localBounds, shape->xform, &shape->stroke.type);
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}
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if (shape->stroke.type == NSVG_PAINT_UNDEF) {
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shape->stroke.type = NSVG_PAINT_NONE;
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}
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}
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}
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}
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NSVGimage* nsvgParse(char* input, const char* units, float dpi)
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{
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NSVGparser* p;
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@ -2970,6 +3012,9 @@ NSVGimage* nsvgParse(char* input, const char* units, float dpi)
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nsvg__parseXML(input, nsvg__startElement, nsvg__endElement, nsvg__content, p);
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// Create gradients after all definitions have been parsed
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nsvg__createGradients(p);
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// Scale to viewBox
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nsvg__scaleToViewbox(p, units);
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@ -58,7 +58,7 @@ typedef struct NSVGrasterizer NSVGrasterizer;
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*/
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// Allocated rasterizer context.
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NSVGrasterizer* nsvgCreateRasterizer();
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NSVGrasterizer* nsvgCreateRasterizer(void);
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// Rasterizes SVG image, returns RGBA image (non-premultiplied alpha)
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// r - pointer to rasterizer context
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@ -129,7 +129,7 @@ typedef struct NSVGmemPage {
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} NSVGmemPage;
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typedef struct NSVGcachedPaint {
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char type;
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signed char type;
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char spread;
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float xform[6];
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unsigned int colors[256];
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@ -165,7 +165,7 @@ struct NSVGrasterizer
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int width, height, stride;
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};
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NSVGrasterizer* nsvgCreateRasterizer()
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NSVGrasterizer* nsvgCreateRasterizer(void)
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{
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NSVGrasterizer* r = (NSVGrasterizer*)malloc(sizeof(NSVGrasterizer));
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if (r == NULL) goto error;
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Block a user