2 * Copyright 2017 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
8 #include "include/core/SkMatrix.h"
9 #include "src/c/sk_types_priv.h"
11 static void from_c_matrix(const sk_matrix_t* cmatrix, SkMatrix* matrix) {
12 matrix->setAll(cmatrix->mat[0], cmatrix->mat[1], cmatrix->mat[2],
13 cmatrix->mat[3], cmatrix->mat[4], cmatrix->mat[5],
14 cmatrix->mat[6], cmatrix->mat[7], cmatrix->mat[8]);
17 #include "include/c/sk_shader.h"
18 #include "include/effects/SkGradientShader.h"
21 sk_shader_tilemode_t fC;
24 { CLAMP_SK_SHADER_TILEMODE, SkTileMode::kClamp },
25 { REPEAT_SK_SHADER_TILEMODE, SkTileMode::kRepeat },
26 { MIRROR_SK_SHADER_TILEMODE, SkTileMode::kMirror },
29 static bool from_c_tilemode(sk_shader_tilemode_t cMode, SkTileMode* skMode) {
30 for (size_t i = 0; i < SK_ARRAY_COUNT(gTileModeMap); ++i) {
31 if (cMode == gTileModeMap[i].fC) {
33 *skMode = gTileModeMap[i].fSK;
41 void sk_shader_ref(sk_shader_t* cshader) {
42 SkSafeRef(AsShader(cshader));
45 void sk_shader_unref(sk_shader_t* cshader) {
46 SkSafeUnref(AsShader(cshader));
49 sk_shader_t* sk_shader_new_linear_gradient(const sk_point_t pts[2],
50 const sk_color_t colors[],
51 const float colorPos[],
53 sk_shader_tilemode_t cmode,
54 const sk_matrix_t* cmatrix) {
56 if (!from_c_tilemode(cmode, &mode)) {
61 from_c_matrix(cmatrix, &matrix);
65 return (sk_shader_t*)SkGradientShader::MakeLinear(reinterpret_cast<const SkPoint*>(pts),
66 reinterpret_cast<const SkColor*>(colors),
68 mode, 0, &matrix).release();
71 static const SkPoint& to_skpoint(const sk_point_t& p) {
72 return reinterpret_cast<const SkPoint&>(p);
75 sk_shader_t* sk_shader_new_radial_gradient(const sk_point_t* ccenter,
77 const sk_color_t colors[],
78 const float colorPos[],
80 sk_shader_tilemode_t cmode,
81 const sk_matrix_t* cmatrix) {
83 if (!from_c_tilemode(cmode, &mode)) {
88 from_c_matrix(cmatrix, &matrix);
92 SkPoint center = to_skpoint(*ccenter);
93 return (sk_shader_t*)SkGradientShader::MakeRadial(center, (SkScalar)radius,
94 reinterpret_cast<const SkColor*>(colors),
95 reinterpret_cast<const SkScalar*>(colorPos),
96 colorCount, mode, 0, &matrix).release();
99 sk_shader_t* sk_shader_new_sweep_gradient(const sk_point_t* ccenter,
100 const sk_color_t colors[],
101 const float colorPos[],
103 const sk_matrix_t* cmatrix) {
106 from_c_matrix(cmatrix, &matrix);
108 matrix.setIdentity();
110 return (sk_shader_t*)SkGradientShader::MakeSweep((SkScalar)(ccenter->x),
111 (SkScalar)(ccenter->y),
112 reinterpret_cast<const SkColor*>(colors),
113 reinterpret_cast<const SkScalar*>(colorPos),
114 colorCount, 0, &matrix).release();
117 sk_shader_t* sk_shader_new_two_point_conical_gradient(const sk_point_t* start,
119 const sk_point_t* end,
121 const sk_color_t colors[],
122 const float colorPos[],
124 sk_shader_tilemode_t cmode,
125 const sk_matrix_t* cmatrix) {
127 if (!from_c_tilemode(cmode, &mode)) {
132 from_c_matrix(cmatrix, &matrix);
134 matrix.setIdentity();
136 SkPoint skstart = to_skpoint(*start);
137 SkPoint skend = to_skpoint(*end);
138 return (sk_shader_t*)SkGradientShader::MakeTwoPointConical(skstart, (SkScalar)startRadius,
139 skend, (SkScalar)endRadius,
140 reinterpret_cast<const SkColor*>(colors),
141 reinterpret_cast<const SkScalar*>(colorPos),
142 colorCount, mode, 0, &matrix).release();
145 ///////////////////////////////////////////////////////////////////////////////////////////
147 #include "include/c/sk_maskfilter.h"
148 #include "include/core/SkMaskFilter.h"
153 } gBlurStylePairs[] = {
154 { NORMAL_SK_BLUR_STYLE, kNormal_SkBlurStyle },
155 { SOLID_SK_BLUR_STYLE, kSolid_SkBlurStyle },
156 { OUTER_SK_BLUR_STYLE, kOuter_SkBlurStyle },
157 { INNER_SK_BLUR_STYLE, kInner_SkBlurStyle },
160 static bool find_blurstyle(sk_blurstyle_t csrc, SkBlurStyle* dst) {
161 for (size_t i = 0; i < SK_ARRAY_COUNT(gBlurStylePairs); ++i) {
162 if (gBlurStylePairs[i].fC == csrc) {
164 *dst = gBlurStylePairs[i].fSk;
172 void sk_maskfilter_ref(sk_maskfilter_t* cfilter) {
173 SkSafeRef(AsMaskFilter(cfilter));
176 void sk_maskfilter_unref(sk_maskfilter_t* cfilter) {
177 SkSafeUnref(AsMaskFilter(cfilter));
180 sk_maskfilter_t* sk_maskfilter_new_blur(sk_blurstyle_t cstyle, float sigma) {
182 if (!find_blurstyle(cstyle, &style)) {
185 return ToMaskFilter(SkMaskFilter::MakeBlur(style, sigma).release());