diff options
Diffstat (limited to 'xc/unsupported/examples/Fresco/figviewer.cxx')
| -rw-r--r-- | xc/unsupported/examples/Fresco/figviewer.cxx | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/xc/unsupported/examples/Fresco/figviewer.cxx b/xc/unsupported/examples/Fresco/figviewer.cxx deleted file mode 100644 index c437de349..000000000 --- a/xc/unsupported/examples/Fresco/figviewer.cxx +++ /dev/null @@ -1,179 +0,0 @@ -#include <X11/Fresco/figures.h> -#include <X11/Fresco/fresco.h> -#include <X11/Fresco/layouts.h> -#include <X11/Fresco/widgets.h> -#include <X11/Fresco/Impls/viewers.h> -#include <X11/Fresco/Impls/transform.h> -#include <X11/Fresco/Impls/region.h> -#include <stdio.h> -#include <stdlib.h> - -class PageFigure : public GlyphImpl { -public: - PageFigure(Coord width, Coord height); - virtual ~PageFigure(); - - void request(Glyph::Requisition& r); - void extension(const Glyph::AllocationInfo& a, RegionRef r); - void draw(GlyphTraversalRef t); -private: - Coord w_, h_; -}; - -PageFigure::PageFigure(Coord w, Coord h) { - w_ = w; - h_ = h; -} - -PageFigure::~PageFigure () {} - -void PageFigure::draw(GlyphTraversalRef) {} - -void PageFigure::request(Glyph::Requisition& r) { - r.x.natural = r.x.maximum = r.x.minimum = w_; - r.y.natural = r.y.maximum = r.y.minimum = h_; - r.x.align = r.y.align = 0.5; - r.z.natural = 0; -} - -void PageFigure::extension(const Glyph::AllocationInfo& a, RegionRef r) { - RegionImpl region; - region.lower_.x = 0; - region.lower_.y = 0; - region.lower_.z = 0; - region.upper_.x = w_; - region.upper_.y = h_; - region.upper_.z = 0; - region.xalign_ = region.yalign_ = 0.5; - region.zalign_ = 0; - if (is_not_nil(a.transform)) { - region.transform(a.transform); - } - r->copy(®ion); -} - -class FigureViewer : public ViewerImpl { -public: - FigureViewer(Fresco* f); - ~FigureViewer(); - - void need_resize(); - Boolean press(GlyphTraversalRef, EventRef); - Boolean drag(GlyphTraversalRef, EventRef); - Boolean release(GlyphTraversalRef, EventRef); - void add(Coord x, Coord y); -protected: - FigureKit figures_; - FigureStyle def_style_; - Glyph root_, figroot_; - Coord width_, height_; - enum { move_tool, create_tool } curtool_; - GlyphRef target_; - Coord start_x_, start_y_; -}; - -FigureViewer::FigureViewer(Fresco* f) : ViewerImpl(f) { - width_ = 300; height_ = 300; - figures_ = f->figure_kit(); - def_style_ = figures_->default_style(); - LayoutKit layouts = f->layout_kit(); - - figroot_ = figures_->group(); - Glyph g = new TransformAllocator(0.5, 0.5, 0, 0.5, 0.5, 0); - g->body(figroot_); - root_ = layouts->fixed(g, width_, height_); - body(root_); - figroot_->append(new PageFigure(width_ * 10, height_ * 10)); -} - -FigureViewer::~FigureViewer() { } - -void FigureViewer::need_resize() { } - -void FigureViewer::add(Coord x, Coord y) { - static int toggle = 0; - Glyph fig; - if (++toggle%2) { - const float r = 36; - fig = figures_->circle(FigureKit::fill, def_style_, x, y, r); - } else { - const Coord hh=25, hw=25; // half-height,width - fig = figures_->rectangle( - FigureKit::stroke, def_style_, x-hw,y-hh, x+hw, y+hh - ); - } - Glyph::AllocationInfoList al; - figroot_->allocations(al); - if (al._length < 1) { - fprintf(stderr, "%d allocations!\n", al._length); - exit(1); - } - Glyph::AllocationInfo& ai = al._buffer[0]; - TransformObj figtr = fig->transform(); - figtr->postmultiply(ai.transform); - figtr->invert(); - figroot_->append(fig); - fig->need_redraw(); - fig->need_resize(); - Fresco::unref(ai.allocation); -} - -Boolean FigureViewer::press(GlyphTraversalRef t, EventRef e) { - const Coord slop = 4; - start_x_ = e->pointer_x(); - start_y_ = e->pointer_y(); - GlyphTraversal::Operation orig_op; - orig_op = t->swap_op(GlyphTraversal::pick_top); - t->begin_trail(this); - PainterObj p = t->painter(); - p->push_clipping(); - p->clip_rect(start_x_-slop, start_y_-slop, start_x_+slop, start_y_+slop); - root_->traverse(t); - - GlyphTraversal picked = t->picked(); - if (is_not_nil(picked)) { - target_ = picked->_c_current_glyph(); - curtool_ = move_tool; - } else { - curtool_ = create_tool; - } - p->pop_clipping(); - t->end_trail(); - return true; -} - -Boolean FigureViewer::drag(GlyphTraversalRef, EventRef e) { - if (curtool_ == move_tool) { - TransformObj tx = target_->transform(); - if (is_not_nil(tx)) { - Vertex v; - v.x = e->pointer_x() - start_x_; - v.y = e->pointer_y() - start_y_; - start_x_ = e->pointer_x(); - start_y_ = e->pointer_y(); - target_->need_redraw(); - tx->translate(v); - target_->need_redraw(); - target_->need_resize(); - } - } - return true; -} - -Boolean FigureViewer::release(GlyphTraversalRef, EventRef) { - if (curtool_ == create_tool) { - add(start_x_, start_y_); - } else { - Fresco::unref(target_); - } - return true; -} - -int main(int argc, char** argv) { - Fresco* f = Fresco_open("Test", argc, argv); - LayoutKit layouts = f->layout_kit(); - Viewer fv = new FigureViewer(f); - f->main(fv, layouts->margin(fv, 10.0)); - Fresco::unref(f); - return 0; -} |