| 722 | void GLSingleView::effectZoomBlend() |
| 723 | { |
| 724 | if (m_i > 100) { |
| 725 | paintTexture(); |
| 726 | m_effectRunning = false; |
| 727 | m_tmout = -1; |
| 728 | return; |
| 729 | } |
| 730 | |
| 731 | int a = (m_curr == 0) ? 1 : 0; |
| 732 | int b = m_curr; |
| 733 | float zf = 0.75; |
| 734 | |
| 735 | TexItem& ta = m_texItem[a]; |
| 736 | TexItem& tb = m_texItem[b]; |
| 737 | |
| 738 | glMatrixMode(GL_TEXTURE); |
| 739 | glLoadIdentity(); |
| 740 | glRotatef(ta.angle, 0.0, 0.0, 1.0); |
| 741 | float t=1.0/(100.00)*(float)m_i; |
| 742 | glBindTexture(GL_TEXTURE_2D, ta.tex); |
| 743 | glBegin(GL_QUADS); |
| 744 | { |
| 745 | glColor4f(1.0, 1.0, 1.0, 1.0-t); |
| 746 | glTexCoord2f(0, 0); |
| 747 | glVertex3f(-ta.cx*(1.0+zf*t), -ta.cy*(1.0+zf*t), 0); |
| 748 | |
| 749 | glTexCoord2f(1, 0); |
| 750 | glVertex3f(ta.cx*(1.0+zf*t), -ta.cy*(1.0+zf*t), 0); |
| 751 | |
| 752 | glTexCoord2f(1, 1); |
| 753 | glVertex3f(ta.cx*(1.0+zf*t), ta.cy*(1.0+zf*t), 0); |
| 754 | |
| 755 | glTexCoord2f(0, 1); |
| 756 | glVertex3f(-ta.cx*(1.0+zf*t), ta.cy*(1.0+zf*t), 0); |
| 757 | } |
| 758 | glEnd(); |
| 759 | |
| 760 | glMatrixMode(GL_TEXTURE); |
| 761 | glLoadIdentity(); |
| 762 | glRotatef(tb.angle, 0.0, 0.0, 1.0); |
| 763 | |
| 764 | glBindTexture(GL_TEXTURE_2D, tb.tex); |
| 765 | glBegin(GL_QUADS); |
| 766 | { |
| 767 | glColor4f(1.0, 1.0, 1.0, 1.0/(100.0)*(float)m_i); |
| 768 | glTexCoord2f(0, 0); |
| 769 | glVertex3f(-tb.cx, -tb.cy, 0); |
| 770 | |
| 771 | glTexCoord2f(1, 0); |
| 772 | glVertex3f(tb.cx, -tb.cy, 0); |
| 773 | |
| 774 | glTexCoord2f(1, 1); |
| 775 | glVertex3f(tb.cx, tb.cy, 0); |
| 776 | |
| 777 | glTexCoord2f(0, 1); |
| 778 | glVertex3f(-tb.cx, tb.cy, 0); |
| 779 | } |
| 780 | glEnd(); |
| 781 | |
| 782 | m_i++; |
| 783 | } |
| 784 | |