92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
#include "ImageButtonInstance.h"
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G3D::TextureRef image = NULL;
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int openGLID = 0;
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G3D::TextureRef image_ovr = NULL;
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int openGLID_ovr = 0;
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G3D::TextureRef image_dn = NULL;
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int openGLID_dn = 0;
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G3D::TextureRef image_ds = NULL;
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int openGLID_ds = 0;
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Vector2 size;
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Vector2 position;
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ImageButtonInstance::ImageButtonInstance(G3D::TextureRef newImage, G3D::TextureRef overImage = NULL, G3D::TextureRef downImage = NULL, G3D::TextureRef disableImage = NULL)
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{
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image = newImage;
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openGLID = image->getOpenGLID();
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image_ovr = overImage;
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if(!image_ovr.isNull())
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openGLID_ovr = image_ovr->getOpenGLID();
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image_dn = downImage;
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if(!image_dn.isNull())
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openGLID_dn = image_dn->getOpenGLID();
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image_ds = disableImage;
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if(!image_ds.isNull())
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openGLID_ds = image_ds->getOpenGLID();
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Vector2 size = Vector2(0,0);
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Vector2 position = Vector2(0,0);
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floatCenter = false;
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floatBottom = false;
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floatRight = false;
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disabled = false;
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className = "ImageButton";
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}
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ImageButtonInstance::~ImageButtonInstance(void)
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{
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}
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void ImageButtonInstance::drawObj(RenderDevice* rd, Vector2 mousePos, bool mouseDown)
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{
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Vector2 positionRelative = position;
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if(floatRight && floatBottom)
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{
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positionRelative = Vector2(rd->getWidth() + position.x, rd->getHeight() + position.y);
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}
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else if(floatBottom)
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{
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positionRelative = Vector2(position.x, rd->getHeight() + position.y);
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}
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else if(floatRight)
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{
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positionRelative = Vector2(rd->getWidth() + position.x, position.y);
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}
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int renderimage = openGLID;
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if(disabled)
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{
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if(openGLID_ds != 0)
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renderimage = openGLID;
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}
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else if(mouseInArea(positionRelative.x, positionRelative.y, positionRelative.x + size.x, positionRelative.y + size.y, mousePos.x, mousePos.y))
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{
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if(mouseDown && !image_dn.isNull())
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{
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renderimage = openGLID_dn;
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}
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else if(!image_ovr.isNull())
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{
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renderimage = openGLID_ovr;
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}
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}
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rd->pushState();
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rd->beforePrimitive();
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glEnable( GL_TEXTURE_2D );
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glEnable(GL_BLEND);// you enable blending function
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glBindTexture( GL_TEXTURE_2D, renderimage);
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glBegin( GL_QUADS );
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glTexCoord2d(0.0,0.0);
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glVertex2f( positionRelative.x, positionRelative.y );
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glTexCoord2d( 1.0,0.0 );
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glVertex2f( positionRelative.x + size.x, positionRelative.y );
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glTexCoord2d( 1.0,1.0 );
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glVertex2f( positionRelative.x + size.x, positionRelative.y + size.y );
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glTexCoord2d( 0.0,1.0 );
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glVertex2f( positionRelative.x, positionRelative.y + size.y );
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glEnd();
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glDisable( GL_TEXTURE_2D );
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rd->afterPrimitive();
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rd->popState();
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} |