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C++ TRasterImageP::setOffset方法代码示例

本文整理汇总了C++中TRasterImageP::setOffset方法的典型用法代码示例。如果您正苦于以下问题:C++ TRasterImageP::setOffset方法的具体用法?C++ TRasterImageP::setOffset怎么用?C++ TRasterImageP::setOffset使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TRasterImageP的用法示例。


在下文中一共展示了TRasterImageP::setOffset方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: build

TImageP ImageRasterizer::build(int imFlags, void *extData)
{
	assert(!(imFlags & ~(ImageManager::dontPutInCache | ImageManager::forceRebuild)));

	TDimension d(10, 10);
	TPoint off(0, 0);

	// Fetch image
	assert(extData);
	ImageLoader::BuildExtData *data = (ImageLoader::BuildExtData *)extData;

	const std::string &srcImgId = data->m_sl->getImageId(data->m_fid);

	TImageP img = ImageManager::instance()->getImage(srcImgId, imFlags, extData);
	if (img) {
		TVectorImageP vi = img;
		if (vi) {
			TRectD bbox = vi->getBBox();

			d = TDimension(tceil(bbox.getLx()) + 1, tceil(bbox.getLy()) + 1);
			off = TPoint((int)bbox.x0, (int)bbox.y0);

			TPalette *vpalette = vi->getPalette();
			TVectorRenderData rd(TTranslation(-off.x, -off.y), TRect(TPoint(0, 0), d), vpalette, 0, true, true);

			TGlContext oldContext = tglGetCurrentContext();

			// this is too slow.
			{
				QSurfaceFormat format;
				format.setProfile(QSurfaceFormat::CompatibilityProfile);

				TRaster32P ras(d);

				glPushAttrib(GL_ALL_ATTRIB_BITS);
				glMatrixMode(GL_MODELVIEW), glPushMatrix();
				glMatrixMode(GL_PROJECTION), glPushMatrix();
				{
					std::unique_ptr<QOpenGLFramebufferObject> fb(new QOpenGLFramebufferObject(d.lx, d.ly));

					fb->bind();
					assert(glGetError() == 0);

					glViewport(0, 0, d.lx, d.ly);
					glClearColor(0, 0, 0, 0);
					glClear(GL_COLOR_BUFFER_BIT);

					glMatrixMode(GL_PROJECTION);
					glLoadIdentity();
					gluOrtho2D(0, d.lx, 0, d.ly);

					glMatrixMode(GL_MODELVIEW);
					glLoadIdentity();
					glTranslatef(0.375, 0.375, 0.0);

					assert(glGetError() == 0);
					tglDraw(rd, vi.getPointer());
					assert(glGetError() == 0);

					assert(glGetError() == 0);
					glFlush();
					assert(glGetError() == 0);

					QImage img = fb->toImage().scaled(QSize(d.lx, d.ly), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);

					int wrap = ras->getLx() * sizeof(TPixel32);
					uchar *srcPix = img.bits();
					uchar *dstPix = ras->getRawData() + wrap * (d.ly - 1);
					for (int y = 0; y < d.ly; y++) {
						memcpy(dstPix, srcPix, wrap);
						dstPix -= wrap;
						srcPix += wrap;
					}
					fb->release();
				}
				glMatrixMode(GL_MODELVIEW), glPopMatrix();
				glMatrixMode(GL_PROJECTION), glPopMatrix();

				glPopAttrib();

				tglMakeCurrent(oldContext);

				TRasterImageP ri = TRasterImageP(ras);
				ri->setOffset(off + ras->getCenter());

				return ri;
			}
		}
	}

	// Error case: return a dummy image (is it really required?)

	TRaster32P ras(d);
	ras->fill(TPixel32(127, 0, 127, 127));

	return TRasterImageP(ras);
}
开发者ID:JosefMeixner,项目名称:opentoonz,代码行数:97,代码来源:imagebuilders.cpp


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