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de10e6cf69
1. Border and title block 2. Diagram independent text items 3. Element text items 4. Conductors Following entities are not exported right now: 1. Element components 2. Terminals 3. Maybe other things also. Lot of debugging shall be required. Thank you git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2718 bfdf4180-ca20-0410-9c96-a3a8aa849046
125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
#include "titleblocktemplaterenderer.h"
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#include "titleblocktemplate.h"
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/**
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Constructor
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@param parnet Parent QObject of this renderer
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*/
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TitleBlockTemplateRenderer::TitleBlockTemplateRenderer(QObject *parent) :
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QObject(parent),
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titleblock_template_(0),
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use_cache_(true),
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last_known_titleblock_width_(-1)
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{
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}
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/**
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Destructor
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*/
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TitleBlockTemplateRenderer::~TitleBlockTemplateRenderer() {
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}
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/**
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@return the titleblock template used for the rendering
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*/
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const TitleBlockTemplate *TitleBlockTemplateRenderer::titleBlockTemplate() const {
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return(titleblock_template_);
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}
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/**
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@param titleblock_template TitleBlock template to render.
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*/
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void TitleBlockTemplateRenderer::setTitleBlockTemplate(const TitleBlockTemplate *titleblock_template) {
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if (titleblock_template != titleblock_template_) {
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titleblock_template_ = titleblock_template;
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invalidateRenderedTemplate();
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}
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}
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/**
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@param context Diagram Context to use when rendering the titleblock
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*/
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void TitleBlockTemplateRenderer::setContext(const DiagramContext &context) {
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context_ = context;
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invalidateRenderedTemplate();
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}
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/**
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@return the height of the rendered template, or -1 if no template has been
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set for this renderer.
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@see TitleBlockTemplate::height()
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*/
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int TitleBlockTemplateRenderer::height() const {
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if (!titleblock_template_) return(-1);
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return(titleblock_template_ -> height());
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}
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/**
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Render the titleblock.
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@param provided_painter QPainter to use to render the titleblock.
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@param titleblock_width The total width of the titleblock to render
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*/
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void TitleBlockTemplateRenderer::render(QPainter *provided_painter, int titleblock_width) {
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if (!titleblock_template_) return;
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if (use_cache_) {
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// Do we really need to calculate all this again?
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if (titleblock_width != last_known_titleblock_width_ || rendered_template_.isNull()) {
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renderToQPicture(titleblock_width);
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}
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provided_painter -> save();
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rendered_template_.play(provided_painter);
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provided_painter -> restore();
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} else {
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titleblock_template_ -> render(*provided_painter, context_, titleblock_width);
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}
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}
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void TitleBlockTemplateRenderer::renderDxf(QRectF &title_block_rect, int titleblock_width, QString &file_path, int color) {
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if (!titleblock_template_) return;
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titleblock_template_ -> renderDxf(title_block_rect, context_, titleblock_width, file_path, color);
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}
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/**
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Renders the titleblock to the internal QPicture
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@param titleblock_width Width of the titleblock to render
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*/
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void TitleBlockTemplateRenderer::renderToQPicture(int titleblock_width) {
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if (!titleblock_template_) return;
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// we render the template on our internal QPicture
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QPainter painter(&rendered_template_);
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titleblock_template_ -> render(painter, context_, titleblock_width);
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// memorize the last known width
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last_known_titleblock_width_ = titleblock_width;
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}
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/**
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Invalidates the previous rendering of the template by resetting the internal
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QPicture.
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*/
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void TitleBlockTemplateRenderer::invalidateRenderedTemplate() {
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rendered_template_ = QPicture();
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}
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/**
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@param use_cache true for this renderer to use its QPicture-based cache,
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false otherwise.
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*/
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void TitleBlockTemplateRenderer::setUseCache(bool use_cache) {
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use_cache_ = use_cache;
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}
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/**
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@return true if this renderer uses its QPicture-based cache, false
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otherwise.
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*/
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bool TitleBlockTemplateRenderer::useCache() const {
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return(use_cache_);
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}
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