rotateimage.cpp
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "jpanel.h"
#include "jframe.h"
#include "jfont.h"
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#define ENABLE_GUI 1
#define DRAW_ANTS 0
class Main : public jgui::Frame{
private:
double _angle;
public:
Main():
jgui::Frame("Image Test", 0, 0, 1920, 1080)
{
_angle = M_PI/6;
// SetBackgroundColor(0xa0, 0x40, 0x60, 0xa0);
}
virtual ~Main()
{
}
void SetAngle(double angle)
{
_angle = angle;
}
virtual void Paint(jgui::Graphics *g)
{
// |-----------------------------------------------------------------------|
// | Translate - | Translate 0 | Translate + |
// |-----------------------------------------------------------------------|
// | Rot - | Rot 0 | Rot + | Rot - | Rot 0 | Rot + | Rot - | Rot 0 | Rot + |
// |-----------------------------------------------------------------------|
// | DrawImage(file, x, y) |
// |-----------------------------------------------------------------------|
// | DrawImage(file, x, y, w, h) |
// |-----------------------------------------------------------------------|
// | DrawImage(file, sx, sy, sw, sh, x, y) |
// |-----------------------------------------------------------------------|
// | DrawImage(file, sx, sy, sw, sh, x, y, w, h) |
// |-----------------------------------------------------------------------|
// | DrawImage(offscreen, x, y) |
// |-----------------------------------------------------------------------|
// | DrawImage(offscreen, x, y, w, h) |
// |-----------------------------------------------------------------------|
// | DrawImage(offscreen, sx, sy, sw, sh, x, y) |
// |-----------------------------------------------------------------------|
// | DrawImage(offscreen, sx, sy, sw, sh, x, y, w, h) |
// |-----------------------------------------------------------------------|
jgui::Frame::Paint(g);
int x = _insets.left,
y = _insets.top,
w = _size.width-_insets.left-_insets.right,
h = _size.height-_insets.top-_insets.bottom;
int translate_x = 40,
translate_y = 20;
double box_width = w/9.0,
box_height = h/8.0;
int image_width = (int)(box_width-2*translate_x),
image_height = (int)(box_height-2*translate_y);
double radians[3] = {-_angle, 0, _angle};
g->SetColor(0xf0, 0xf0, 0xf0, 0xff);
for (int i=0; i<=9; i++) {
g->DrawLine((int)(x+i*box_width), y, (int)(x+i*box_width), y+h);
}
for (int i=0; i<=8; i++) {
g->DrawLine(x, (int)(y+i*box_height), x+w, (int)(y+i*box_height));
}
g->SetColor(0x80, 0x80, 0x80, 0xff);
for (int i=0; i<9; i++) {
for (int j=0; j<8; j++) {
g->FillRectangle((int)(x+translate_x+i*box_width), (int)(y+translate_y+j*box_height), image_width, image_height);
}
}
jgui::Image *off = jgui::Image::CreateImage(image_width, image_height);
off->GetGraphics()->DrawImage("images/square.png", 0, 0, image_width, image_height);
for (int k=0,j=-1; j<=1; k++,j++) {
g->Translate(j*translate_x, j*translate_y);
for (int i=0; i<3; i++) {
g->Rotate(radians[i]);
g->DrawImage("images/square.png", (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+0*box_height);
g->DrawImage("images/square.png", (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+1*box_height, image_width, image_height);
g->DrawImage("images/square.png", 32, 32, 32, 32, (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+2*box_height);
g->DrawImage("images/square.png", 32, 32, 32, 32, (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+3*box_height, image_width, image_height);
g->DrawImage(off, (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+4*box_height);
g->DrawImage(off, (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+5*box_height, image_width, image_height);
g->DrawImage(off, off->GetWidth()/2, off->GetHeight()/2, off->GetWidth()/2, off->GetHeight()/2, (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+6*box_height);
// g->DrawImage(&off, 0, 0, off->GetWidth(), off->GetHeight(), (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+7*box_height, image_width, image_height);
g->DrawImage(off, off->GetWidth()/2, off->GetHeight()/2, off->GetWidth()/2, off->GetHeight()/2, (int)(x+translate_x+(i+k*3)*box_width), y+translate_y+7*box_height, image_width, image_height);
}
g->Translate(-j*translate_x, -j*translate_y);
}
delete off;
}
};
int main(int argc, char **argv)
{
Main main;
main.Show(false);
for (int i=0; i<100; i++) {
for (double j=0.0; j<2*M_PI; j+=0.1) {
main.SetAngle(j);
main.Repaint();
}
}
return 0;
}