libgui-maschell/source/gui/GuiImage.h
2017-10-29 10:28:14 +01:00

111 lines
3.8 KiB
C++

/****************************************************************************
* Copyright (C) 2015 Dimok
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#ifndef GUI_IMAGE_H_
#define GUI_IMAGE_H_
#include "video/shaders/Shader.h"
#include "GuiElement.h"
#include "GuiImageData.h"
//!Display, manage, and manipulate images in the GUI
class GuiImage : public GuiElement
{
public:
enum ImageTypes
{
IMAGE_TEXTURE,
IMAGE_COLOR
};
//!\overload
//!\param img Pointer to GuiImageData element
GuiImage(GuiImageData * img);
//!\overload
//!Creates an image filled with the specified color
//!\param w Image width
//!\param h Image height
//!\param c Array with 4 x image color (BL, BR, TL, TR)
GuiImage(s32 w, s32 h, const GX2Color & c, s32 imgType = IMAGE_COLOR);
GuiImage(s32 w, s32 h, const GX2Color * c, u32 colorCount = 1, s32 imgType = IMAGE_COLOR);
//!Destructor
virtual ~GuiImage();
//!Sets the number of times to draw the image horizontally
//!\param t Number of times to draw the image
void setTileHorizontal(s32 t) { tileHorizontal = t; }
//!Sets the number of times to draw the image vertically
//!\param t Number of times to draw the image
void setTileVertical(s32 t) { tileVertical = t; }
//!Constantly called to draw the image
void draw(CVideo *pVideo);
//!Gets the image data
//!\return pointer to image data
GuiImageData * getImageData() const { return imageData; }
//!Sets up a new image using the GuiImageData object specified
//!\param img Pointer to GuiImageData object
void setImageData(GuiImageData * img);
//!Gets the pixel color at the specified coordinates of the image
//!\param x X coordinate
//!\param y Y coordinate
GX2Color getPixel(s32 x, s32 y);
//!Sets the pixel color at the specified coordinates of the image
//!\param x X coordinate
//!\param y Y coordinate
//!\param color Pixel color
void setPixel(s32 x, s32 y, const GX2Color & color);
//!Change ImageColor
void setImageColor(const GX2Color & c, s32 idx = -1);
//!Change ImageColor
void setSize(s32 w, s32 h);
void setPrimitiveVertex(s32 prim, const f32 *pos, const f32 *tex, u32 count);
void setBlurDirection(u8 dir, f32 value)
{
if(dir < 2) {
blurDirection[dir] = value;
}
}
void setColorIntensity(const glm::vec4 & col)
{
colorIntensity = col;
}
protected:
void internalInit(s32 w, s32 h);
s32 imgType; //!< Type of image data (IMAGE_TEXTURE, IMAGE_COLOR, IMAGE_DATA)
GuiImageData * imageData; //!< Poiner to image data. May be shared with GuiImageData data
s32 tileHorizontal; //!< Number of times to draw (tile) the image horizontally
s32 tileVertical; //!< Number of times to draw (tile) the image vertically
//! Internally used variables for rendering
u8 *colorVtxs;
u32 colorCount;
bool colorVtxsDirty;
glm::vec3 positionOffsets;
glm::vec3 scaleFactor;
glm::vec4 colorIntensity;
f32 imageAngle;
glm::vec3 blurDirection;
const f32 * posVtxs;
const f32 * texCoords;
u32 vtxCount;
s32 primitive;
};
#endif