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59 lines
1.1 KiB
C++
59 lines
1.1 KiB
C++
#include <FL/fl_draw.H>
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#include <edelib/Debug.h>
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#include "TrayWindow.h"
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/* scale image by keeping aspect ratio */
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static Fl_RGB_Image *aspect_scale(Fl_RGB_Image *orig, int W, int H) {
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float aspect, neww, newh;
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neww = (float)orig->w();
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newh = (float)orig->h();
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if(neww > W) {
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aspect = (float)W / (float)neww;
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neww *= aspect;
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newh *= aspect;
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}
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if(newh > H) {
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aspect = (float)H / (float)newh;
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neww *= aspect;
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newh *= aspect;
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}
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return (Fl_RGB_Image*)orig->copy((int)neww, (int)newh);
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}
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TrayWindow::TrayWindow(int W, int H) : Fl_Window(W, H), img(0) {
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box(FL_FLAT_BOX);
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}
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void TrayWindow::set_image(Fl_RGB_Image *im) {
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E_RETURN_IF_FAIL(im != 0);
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/* delete previous one */
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delete img;
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/* do not use full w/h, but leave some room for few pixels around image */
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img = aspect_scale(im, w() - 2, h() - 2);
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}
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void TrayWindow::draw(void) {
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Fl_Window::draw();
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if(img) {
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int X = w()/2 - img->w()/2;
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int Y = h()/2 - img->h()/2;
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img->draw(X, Y);
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}
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}
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void TrayWindow::set_tooltip(char *t) {
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if(!t) {
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ttip.clear();
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tooltip(0);
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} else {
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ttip = t;
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tooltip(ttip.c_str());
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}
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}
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