summaryrefslogtreecommitdiffstats
path: root/other-licenses/skia-npapi/ANPCanvas.cpp
blob: dd227eca8dfefa33364ca987ed5e9b5d505ef01e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/*
 * Copyright 2008, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// must include config.h first for webkit to fiddle with new/delete
#include "SkANP.h"
#include "SkRect.h"

static ANPCanvas* anp_newCanvas(const ANPBitmap* bitmap) {
    SkBitmap bm;
    return new ANPCanvas(*SkANP::SetBitmap(&bm, *bitmap));
}

static void anp_deleteCanvas(ANPCanvas* canvas) {
    delete canvas;
}

static void anp_save(ANPCanvas* canvas) {
    canvas->skcanvas->save();
}

static void anp_restore(ANPCanvas* canvas) {
    canvas->skcanvas->restore();
}

static void anp_translate(ANPCanvas* canvas, float tx, float ty) {
    canvas->skcanvas->translate(SkFloatToScalar(tx), SkFloatToScalar(ty));
}

static void anp_scale(ANPCanvas* canvas, float sx, float sy) {
    canvas->skcanvas->scale(SkFloatToScalar(sx), SkFloatToScalar(sy));
}

static void anp_rotate(ANPCanvas* canvas, float degrees) {
    canvas->skcanvas->rotate(SkFloatToScalar(degrees));
}

static void anp_skew(ANPCanvas* canvas, float kx, float ky) {
    canvas->skcanvas->skew(SkFloatToScalar(kx), SkFloatToScalar(ky));
}

static void anp_clipRect(ANPCanvas* canvas, const ANPRectF* rect) {
    SkRect r;
    canvas->skcanvas->clipRect(*SkANP::SetRect(&r, *rect));
}

static void anp_clipPath(ANPCanvas* canvas, const ANPPath* path) {
    canvas->skcanvas->clipPath(*path);
}
static void anp_concat(ANPCanvas* canvas, const ANPMatrix* matrix) {
    canvas->skcanvas->concat(*matrix);
}

static void anp_getTotalMatrix(ANPCanvas* canvas, ANPMatrix* matrix) {
    const SkMatrix& src = canvas->skcanvas->getTotalMatrix();
    *matrix = *reinterpret_cast<const ANPMatrix*>(&src);
}

static bool anp_getLocalClipBounds(ANPCanvas* canvas, ANPRectF* r,
                                   bool antialias) {
    SkRect bounds;
    if (canvas->skcanvas->getClipBounds(&bounds)) {
        SkANP::SetRect(r, bounds);
        return true;
    }
    return false;
}

static bool anp_getDeviceClipBounds(ANPCanvas* canvas, ANPRectI* r) {
    SkIRect bounds;
    if (canvas->skcanvas->getClipDeviceBounds(&bounds)) {
        SkANP::SetRect(r, bounds);
        return true;
    }
    return false;
}

static void anp_drawColor(ANPCanvas* canvas, ANPColor color) {
    canvas->skcanvas->drawColor(color);
}

static void anp_drawPaint(ANPCanvas* canvas, const ANPPaint* paint) {
    canvas->skcanvas->drawPaint(*paint);
}

static void anp_drawLine(ANPCanvas* canvas, float x0, float y0,
                         float x1, float y1, const ANPPaint* paint) {
    canvas->skcanvas->drawLine(SkFloatToScalar(x0), SkFloatToScalar(y0),
                           SkFloatToScalar(x1), SkFloatToScalar(y1), *paint);
}

static void anp_drawRect(ANPCanvas* canvas, const ANPRectF* rect,
                         const ANPPaint* paint) {
    SkRect  r;
    canvas->skcanvas->drawRect(*SkANP::SetRect(&r, *rect), *paint);
}

static void anp_drawOval(ANPCanvas* canvas, const ANPRectF* rect,
                         const ANPPaint* paint) {
    SkRect  r;
    canvas->skcanvas->drawOval(*SkANP::SetRect(&r, *rect), *paint);
}

static void anp_drawPath(ANPCanvas* canvas, const ANPPath* path,
                         const ANPPaint* paint) {
    canvas->skcanvas->drawPath(*path, *paint);
}

static void anp_drawText(ANPCanvas* canvas, const void* text, uint32_t length,
                         float x, float y, const ANPPaint* paint) {
    canvas->skcanvas->drawText(text, length,
                               SkFloatToScalar(x), SkFloatToScalar(y),
                               *paint);
}

static void anp_drawPosText(ANPCanvas* canvas, const void* text,
                uint32_t byteLength, const float xy[], const ANPPaint* paint) {
    canvas->skcanvas->drawPosText(text, byteLength,
                                  reinterpret_cast<const SkPoint*>(xy), *paint);
}

static void anp_drawBitmap(ANPCanvas* canvas, const ANPBitmap* bitmap,
                           float x, float y, const ANPPaint* paint) {
    SkBitmap    bm;
    canvas->skcanvas->drawBitmap(*SkANP::SetBitmap(&bm, *bitmap),
                                 SkFloatToScalar(x), SkFloatToScalar(y),
                                 paint);
}

static void anp_drawBitmapRect(ANPCanvas* canvas, const ANPBitmap* bitmap,
                              const ANPRectI* src, const ANPRectF* dst,
                               const ANPPaint* paint) {
    SkBitmap    bm;
    SkRect      dstR;
    SkIRect     srcR;

    if (src) {
        canvas->skcanvas->drawBitmapRect(*SkANP::SetBitmap(&bm, *bitmap),
                                         *SkANP::SetRect(&srcR, *src),
                                         *SkANP::SetRect(&dstR, *dst),
                                         paint);
    } else {
        canvas->skcanvas->drawBitmapRect(*SkANP::SetBitmap(&bm, *bitmap),
                                         *SkANP::SetRect(&dstR, *dst),
                                         paint);
    }
}

///////////////////////////////////////////////////////////////////////////////

#define ASSIGN(obj, name)   (obj)->name = anp_##name

void InitCanvasInterface(ANPCanvasInterfaceV0* i) {
    ASSIGN(i, newCanvas);
    ASSIGN(i, deleteCanvas);
    ASSIGN(i, save);
    ASSIGN(i, restore);
    ASSIGN(i, translate);
    ASSIGN(i, scale);
    ASSIGN(i, rotate);
    ASSIGN(i, skew);
    ASSIGN(i, clipRect);
    ASSIGN(i, clipPath);
    ASSIGN(i, concat);
    ASSIGN(i, getTotalMatrix);
    ASSIGN(i, getLocalClipBounds);
    ASSIGN(i, getDeviceClipBounds);
    ASSIGN(i, drawColor);
    ASSIGN(i, drawPaint);
    ASSIGN(i, drawLine);
    ASSIGN(i, drawRect);
    ASSIGN(i, drawOval);
    ASSIGN(i, drawPath);
    ASSIGN(i, drawText);
    ASSIGN(i, drawPosText);
    ASSIGN(i, drawBitmap);
    ASSIGN(i, drawBitmapRect);
}