am 99d49118: Merge "Add support for drawBitmapMesh()." into honeycomb

* commit '99d49118b857df4051a864b35254e275bc8a68b6':
  Add support for drawBitmapMesh().
This commit is contained in:
Romain Guy
2011-01-20 21:42:40 -08:00
committed by Android Git Automerger
9 changed files with 226 additions and 15 deletions

View File

@@ -630,9 +630,32 @@ class GLES20Canvas extends HardwareCanvas {
@Override
public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts,
int vertOffset, int[] colors, int colorOffset, Paint paint) {
// TODO: Implement
if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) {
throw new ArrayIndexOutOfBoundsException();
}
if (meshWidth == 0 || meshHeight == 0) {
return;
}
final int count = (meshWidth + 1) * (meshHeight + 1);
checkRange(verts.length, vertOffset, count * 2);
// TODO: Colors are ignored for now
colors = null;
colorOffset = 0;
boolean hasColorFilter = paint != null && setupColorFilter(paint);
final int nativePaint = paint == null ? 0 : paint.mNativePaint;
nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight,
verts, vertOffset, colors, colorOffset, nativePaint);
if (hasColorFilter) nResetModifiers(mRenderer);
}
private native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer,
int meshWidth, int meshHeight, float[] verts, int vertOffset,
int[] colors, int colorOffset, int paint);
@Override
public void drawCircle(float cx, float cy, float radius, Paint paint) {
boolean hasModifier = setupModifiers(paint);

View File

@@ -271,6 +271,22 @@ static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canv
renderer->drawBitmap(bitmap, matrix, paint);
}
static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer,
jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset,
jintArray colors, jint colorOffset, SkPaint* paint) {
// This object allows the renderer to allocate a global JNI ref to the buffer object.
JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL;
jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL;
renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint);
if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0);
if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0);
}
static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks,
float left, float top, float right, float bottom, SkPaint* paint) {
@@ -393,24 +409,24 @@ static void renderTextRun(OpenGLRenderer* renderer, const jchar* text,
}
static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, jcharArray text, int index, int count,
jfloat x, jfloat y, int flags, SkPaint* paint) {
OpenGLRenderer* renderer, jcharArray text, jint index, jint count,
jfloat x, jfloat y, jint flags, SkPaint* paint) {
jchar* textArray = env->GetCharArrayElements(text, NULL);
renderText(renderer, textArray + index, count, x, y, flags, paint);
env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
}
static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, jstring text, int start, int end,
jfloat x, jfloat y, int flags, SkPaint* paint) {
OpenGLRenderer* renderer, jstring text, jint start, jint end,
jfloat x, jfloat y, jint flags, SkPaint* paint) {
const jchar* textArray = env->GetStringChars(text, NULL);
renderText(renderer, textArray + start, end - start, x, y, flags, paint);
env->ReleaseStringChars(text, textArray);
}
static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, jcharArray text, int index, int count,
int contextIndex, int contextCount, jfloat x, jfloat y, int dirFlags,
OpenGLRenderer* renderer, jcharArray text, jint index, jint count,
jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags,
SkPaint* paint) {
jchar* textArray = env->GetCharArrayElements(text, NULL);
renderTextRun(renderer, textArray + contextIndex, index - contextIndex,
@@ -419,8 +435,8 @@ static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject canv
}
static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, jstring text, int start, int end,
int contextStart, int contextEnd, jfloat x, jfloat y, int dirFlags,
OpenGLRenderer* renderer, jstring text, jint start, jint end,
jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags,
SkPaint* paint) {
const jchar* textArray = env->GetStringChars(text, NULL);
jint count = end - start;
@@ -573,10 +589,13 @@ static JNINativeMethod gMethods[] = {
{ "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix },
{ "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix },
{ "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap },
{ "nDrawBitmap", "(II[BFFFFFFFFI)V", (void*) android_view_GLES20Canvas_drawBitmapRect },
{ "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix },
{ "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch },
{ "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap },
{ "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect },
{ "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix },
{ "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh },
{ "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch },
{ "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor },
{ "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect },

View File

@@ -1175,8 +1175,11 @@ public class Canvas {
nativeDrawBitmapMatrix(mNativeCanvas, bitmap.ni(), matrix.ni(),
paint != null ? paint.mNativePaint : 0);
}
private static void checkRange(int length, int offset, int count) {
/**
* @hide
*/
protected static void checkRange(int length, int offset, int count) {
if ((offset | count) < 0 || offset + count > length) {
throw new ArrayIndexOutOfBoundsException();
}

View File

@@ -100,6 +100,7 @@ const char* DisplayList::OP_NAMES[] = {
"DrawBitmap",
"DrawBitmapMatrix",
"DrawBitmapRect",
"DrawBitmapMesh",
"DrawPatch",
"DrawColor",
"DrawRect",
@@ -308,6 +309,19 @@ void DisplayList::replay(OpenGLRenderer& renderer, uint32_t level) {
getFloat(), getFloat(), getFloat(), getFloat(), getPaint());
}
break;
case DrawBitmapMesh: {
int verticesCount = 0;
uint32_t colorsCount = 0;
SkBitmap* bitmap = getBitmap();
uint32_t meshWidth = getInt();
uint32_t meshHeight = getInt();
float* vertices = getFloats(verticesCount);
bool hasColors = getInt();
int* colors = hasColors ? getInts(colorsCount) : NULL;
renderer.drawBitmapMesh(bitmap, meshWidth, meshHeight, vertices, colors, getPaint());
}
case DrawPatch: {
int32_t* xDivs = NULL;
int32_t* yDivs = NULL;
@@ -587,6 +601,22 @@ void DisplayListRenderer::drawBitmap(SkBitmap* bitmap, float srcLeft, float srcT
addPaint(paint);
}
void DisplayListRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight,
float* vertices, int* colors, SkPaint* paint) {
addOp(DisplayList::DrawBitmapMesh);
addBitmap(bitmap);
addInt(meshWidth);
addInt(meshHeight);
addFloats(vertices, (meshWidth + 1) * (meshHeight + 1) * 2);
if (colors) {
addInt(1);
addInts(colors, (meshWidth + 1) * (meshHeight + 1));
} else {
addInt(0);
}
addPaint(paint);
}
void DisplayListRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs,
const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors,
float left, float top, float right, float bottom, SkPaint* paint) {

View File

@@ -107,6 +107,7 @@ public:
DrawBitmap,
DrawBitmapMatrix,
DrawBitmapRect,
DrawBitmapMesh,
DrawPatch,
DrawColor,
DrawRect,
@@ -267,6 +268,8 @@ public:
void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop,
float srcRight, float srcBottom, float dstLeft, float dstTop,
float dstRight, float dstBottom, SkPaint* paint);
void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight,
float* vertices, int* colors, SkPaint* paint);
void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs,
const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors,
float left, float top, float right, float bottom, SkPaint* paint);

View File

@@ -1077,6 +1077,61 @@ void OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* pai
restore();
}
void OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight,
float* vertices, int* colors, SkPaint* paint) {
// TODO: Do a quickReject
if (!vertices || mSnapshot->isIgnored()) {
return;
}
glActiveTexture(gTextureUnits[0]);
Texture* texture = mCaches.textureCache.get(bitmap);
if (!texture) return;
const AutoTexture autoCleanup(texture);
setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);
int alpha;
SkXfermode::Mode mode;
getAlphaAndMode(paint, &alpha, &mode);
// TODO: Support the colors array
const uint32_t count = meshWidth * meshHeight * 6;
TextureVertex mesh[count];
TextureVertex* vertex = mesh;
for (int32_t y = 0; y < meshHeight; y++) {
for (int32_t x = 0; x < meshWidth; x++) {
uint32_t i = (y * (meshWidth + 1) + x) * 2;
float u1 = float(x) / meshWidth;
float u2 = float(x + 1) / meshWidth;
float v1 = float(y) / meshHeight;
float v2 = float(y + 1) / meshHeight;
int ax = i + (meshWidth + 1) * 2;
int ay = ax + 1;
int bx = i;
int by = bx + 1;
int cx = i + 2;
int cy = cx + 1;
int dx = i + (meshWidth + 1) * 2 + 2;
int dy = dx + 1;
TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2);
TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1);
TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1);
TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2);
TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1);
TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2);
}
}
drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f,
mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0],
GL_TRIANGLES, count);
}
void OpenGLRenderer::drawBitmap(SkBitmap* bitmap,
float srcLeft, float srcTop, float srcRight, float srcBottom,
float dstLeft, float dstTop, float dstRight, float dstBottom,

View File

@@ -102,6 +102,8 @@ public:
virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop,
float srcRight, float srcBottom, float dstLeft, float dstTop,
float dstRight, float dstBottom, SkPaint* paint);
virtual void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight,
float* vertices, int* colors, SkPaint* paint);
virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs,
const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors,
float left, float top, float right, float bottom, SkPaint* paint);

View File

@@ -24,6 +24,15 @@
android:label="HwUi"
android:hardwareAccelerated="true">
<activity
android:name="BitmapMeshActivity"
android:label="_BitmapMesh">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="ShapesActivity"
android:label="_Shapes">

View File

@@ -0,0 +1,67 @@
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.test.hwui;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
@SuppressWarnings({"UnusedDeclaration"})
public class BitmapMeshActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final BitmapMeshView view = new BitmapMeshView(this);
view.setDrawingCacheEnabled(true);
setContentView(view);
}
static class BitmapMeshView extends View {
private Paint mBitmapPaint;
private final Bitmap mBitmap1;
BitmapMeshView(Context c) {
super(c);
mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.drawARGB(255, 255, 255, 255);
canvas.translate(100, 100);
final float width = mBitmap1.getWidth() / 3.0f;
final float height = mBitmap1.getHeight() / 3.0f;
canvas.drawBitmapMesh(mBitmap1, 3, 3, new float[] {
0.0f, 0.0f, width, 0.0f, width * 2, 0.0f, width * 3, 0.0f,
0.0f, height, width, height, width * 2, height, width * 4, height,
0.0f, height * 2, width, height * 2, width * 2, height * 2, width * 3, height * 2,
0.0f, height * 4, width, height * 4, width * 2, height * 4, width * 4, height * 4,
}, 0, null, 0, null);
}
}
}