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Side by Side Diff: platform_tools/android/examples/hello_skia_app/jni/helloskia.cpp

Issue 54363008: move SkImage::ColorType into SkColorType (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 1 month ago
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1 #include <math.h> 1 #include <math.h>
2 #include <jni.h> 2 #include <jni.h>
3 #include <android/bitmap.h> 3 #include <android/bitmap.h>
4 4
5 #include "SkCanvas.h" 5 #include "SkCanvas.h"
6 #include "SkGraphics.h" 6 #include "SkGraphics.h"
7 #include "SkSurface.h" 7 #include "SkSurface.h"
8 #include "SkString.h" 8 #include "SkString.h"
9 #include "SkTime.h" 9 #include "SkTime.h"
10 10
11 11
12 /** 12 /**
13 * Draws something into the given bitmap 13 * Draws something into the given bitmap
14 * @param env 14 * @param env
15 * @param thiz 15 * @param thiz
16 * @param dstBitmap The bitmap to place the results of skia into 16 * @param dstBitmap The bitmap to place the results of skia into
17 * @param elapsedTime The number of milliseconds since the app was started 17 * @param elapsedTime The number of milliseconds since the app was started
18 */ 18 */
19 extern "C" 19 extern "C"
20 JNIEXPORT void JNICALL Java_com_example_HelloSkiaActivity_drawIntoBitmap(JNIEnv* env, 20 JNIEXPORT void JNICALL Java_com_example_HelloSkiaActivity_drawIntoBitmap(JNIEnv* env,
21 jobject thiz, jobject dstBitmap, jlong elapsedTime) 21 jobject thiz, jobject dstBitmap, jlong elapsedTime)
22 { 22 {
23 // Grab the dst bitmap info and pixels 23 // Grab the dst bitmap info and pixels
24 AndroidBitmapInfo dstInfo; 24 AndroidBitmapInfo dstInfo;
25 void* dstPixels; 25 void* dstPixels;
26 AndroidBitmap_getInfo(env, dstBitmap, &dstInfo); 26 AndroidBitmap_getInfo(env, dstBitmap, &dstInfo);
27 AndroidBitmap_lockPixels(env, dstBitmap, &dstPixels); 27 AndroidBitmap_lockPixels(env, dstBitmap, &dstPixels);
28 28
29 SkImage::Info info = { 29 SkImageInfo info = {
30 dstInfo.width, dstInfo.height, SkImage::kPMColor_ColorType,kPremul_SkAlp haType 30 dstInfo.width, dstInfo.height, kPMColor_SkColorType, kPremul_SkAlphaType
31 }; 31 };
32 32
33 // Create a surface from the given bitmap 33 // Create a surface from the given bitmap
34 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterDirect(info, dstPixels, dstInfo.stride)); 34 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterDirect(info, dstPixels, dstInfo.stride));
35 SkCanvas* canvas = surface->getCanvas(); 35 SkCanvas* canvas = surface->getCanvas();
36 36
37 // Draw something "interesting" 37 // Draw something "interesting"
38 38
39 // Clear the canvas with a white color 39 // Clear the canvas with a white color
40 canvas->drawColor(SK_ColorWHITE); 40 canvas->drawColor(SK_ColorWHITE);
(...skipping 22 matching lines...) Expand all
63 float x = (float)i / 99.0f; 63 float x = (float)i / 99.0f;
64 float offset = elapsedTime / 1000.0f; 64 float offset = elapsedTime / 1000.0f;
65 canvas->drawLine(sin(x * M_PI + offset) * 800.0f, 0, // first endpoint 65 canvas->drawLine(sin(x * M_PI + offset) * 800.0f, 0, // first endpoint
66 cos(x * M_PI + offset) * 800.0f, 800, // second endpoin t 66 cos(x * M_PI + offset) * 800.0f, 800, // second endpoin t
67 paint); // SkPapint to te ll how to draw the line 67 paint); // SkPapint to te ll how to draw the line
68 } 68 }
69 69
70 // Unlock the dst's pixels 70 // Unlock the dst's pixels
71 AndroidBitmap_unlockPixels(env, dstBitmap); 71 AndroidBitmap_unlockPixels(env, dstBitmap);
72 } 72 }
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