corysanin/tubestation
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bug 755070 - Scrolling causes after paint notifications which causes screenshotting which causes checkerboarding, only update dirty rects, reuse a single bytebuffer and stop using java bitmaps r=kats

Browse Source
This commit is contained in:
Brad Lassey
2012-06-04 11:56:31 -04:00
parent a95b9e7b4c
commit 750134b2e1
13 changed files with 185 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
widget/android/AndroidBridge.cpp
View File

@@ -2350,9 +2350,13 @@ jobject JNICALL
Java_org_mozilla_gecko_GeckoAppShell_allocateDirectBuffer(JNIEnv *env, jclass, jlong size);
nsresult AndroidBridge::TakeScreenshot(nsIDOMWindow *window, PRInt32 srcX, PRInt32 srcY, PRInt32 srcW, PRInt32 srcH, PRInt32 dstW, PRInt32 dstH, PRInt32 tabId, float scale, PRInt32 token)
nsresult AndroidBridge::TakeScreenshot(nsIDOMWindow *window, PRInt32 srcX, PRInt32 srcY, PRInt32 srcW, PRInt32 srcH, PRInt32 dstX, PRInt32 dstY, PRInt32 dstW, PRInt32 dstH, PRInt32 bufW, PRInt32 bufH, PRInt32 tabId, PRInt32 token, jobject buffer)
{
nsresult rv;
float scale = 1.0;
if (!buffer)
return NS_OK;
// take a screenshot, as wide as possible, proportional to the destination size
if (!srcW && !srcH) {
@@ -2413,21 +2417,17 @@ nsresult AndroidBridge::TakeScreenshot(nsIDOMWindow *window, PRInt32 srcX, PRInt
nsPresContext::CSSPixelsToAppUnits(srcW / scale),
nsPresContext::CSSPixelsToAppUnits(srcH / scale));
PRUint32 stride = dstW * 2;
PRUint32 bufferSize = dstH * stride;
jobject buffer = Java_org_mozilla_gecko_GeckoAppShell_allocateDirectBuffer(env, NULL, bufferSize);
if (!buffer)
return NS_OK;
PRUint32 stride = bufW * 2 /* 16 bpp */;
void* data = env->GetDirectBufferAddress(buffer);
memset(data, 0, bufferSize);
nsRefPtr<gfxImageSurface> surf = new gfxImageSurface(static_cast<unsigned char*>(data), nsIntSize(dstW, dstH), stride, gfxASurface::ImageFormatRGB16_565);
nsRefPtr<gfxImageSurface> surf = new gfxImageSurface(static_cast<unsigned char*>(data), nsIntSize(bufW, bufH), stride, gfxASurface::ImageFormatRGB16_565);
nsRefPtr<gfxContext> context = new gfxContext(surf);
gfxPoint pt(dstX, dstY);
context->Translate(pt);
context->Scale(scale * dstW / srcW, scale * dstH / srcH);
rv = presShell->RenderDocument(r, renderDocFlags, bgColor, context);
NS_ENSURE_SUCCESS(rv, rv);
env->CallStaticVoidMethod(AndroidBridge::Bridge()->mGeckoAppShellClass, AndroidBridge::Bridge()->jNotifyScreenShot, buffer, tabId, srcX * dstW / srcW , srcY * dstH / srcH, dstW, dstH, token);
env->CallStaticVoidMethod(AndroidBridge::Bridge()->mGeckoAppShellClass, AndroidBridge::Bridge()->jNotifyScreenShot, buffer, tabId, srcX * dstW / srcW , srcY * dstH / srcH, bufW, bufH, token);
return NS_OK;
}