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/*
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "test/mac/video_renderer_mac.h"
#import <Cocoa/Cocoa.h>
// Creates a Cocoa Window with an OpenGL context, used together with an OpenGL
// renderer.
@interface CocoaWindow : NSObject {
@private
NSWindow *window_;
NSOpenGLContext *context_;
NSString *title_;
int width_;
int height_;
}
- (id)initWithTitle:(NSString *)title width:(int)width height:(int)height;
// 'createWindow' must be called on the main thread.
- (void)createWindow:(NSObject *)ignored;
- (void)makeCurrentContext;
@end
@implementation CocoaWindow
static NSInteger nextXOrigin_;
static NSInteger nextYOrigin_;
- (id)initWithTitle:(NSString *)title width:(int)width height:(int)height {
if (self = [super init]) {
title_ = title;
width_ = width;
height_ = height;
}
return self;
}
- (void)createWindow:(NSObject *)ignored {
NSInteger xOrigin = nextXOrigin_;
NSRect screenFrame = [[NSScreen mainScreen] frame];
if (nextXOrigin_ + width_ < screenFrame.size.width) {
nextXOrigin_ += width_;
} else {
xOrigin = 0;
nextXOrigin_ = 0;
nextYOrigin_ += height_;
}
if (nextYOrigin_ + height_ > screenFrame.size.height) {
xOrigin = 0;
nextXOrigin_ = 0;
nextYOrigin_ = 0;
}
NSInteger yOrigin = nextYOrigin_;
NSRect windowFrame = NSMakeRect(xOrigin, yOrigin, width_, height_);
window_ = [[NSWindow alloc] initWithContentRect:windowFrame
styleMask:NSWindowStyleMaskTitled
backing:NSBackingStoreBuffered
defer:NO];
NSRect viewFrame = NSMakeRect(0, 0, width_, height_);
NSOpenGLView *view = [[NSOpenGLView alloc] initWithFrame:viewFrame pixelFormat:nil];
context_ = [view openGLContext];
[[window_ contentView] addSubview:view];
[window_ setTitle:title_];
[window_ makeKeyAndOrderFront:NSApp];
}
- (void)makeCurrentContext {
[context_ makeCurrentContext];
}
@end
namespace webrtc {
namespace test {
VideoRenderer* VideoRenderer::CreatePlatformRenderer(const char* window_title,
size_t width,
size_t height) {
MacRenderer* renderer = new MacRenderer();
if (!renderer->Init(window_title, width, height)) {
delete renderer;
return NULL;
}
return renderer;
}
MacRenderer::MacRenderer()
: window_(NULL) {}
MacRenderer::~MacRenderer() {
GlRenderer::Destroy();
}
bool MacRenderer::Init(const char* window_title, int width, int height) {
window_ = [[CocoaWindow alloc]
initWithTitle:[NSString stringWithUTF8String:window_title]
width:width
height:height];
if (!window_)
return false;
[window_ performSelectorOnMainThread:@selector(createWindow:)
withObject:nil
waitUntilDone:YES];
[window_ makeCurrentContext];
GlRenderer::Init();
GlRenderer::ResizeViewport(width, height);
return true;
}
void MacRenderer::OnFrame(const VideoFrame& frame) {
[window_ makeCurrentContext];
GlRenderer::OnFrame(frame);
}
} // test
} // webrtc