libgui/include/gui/GuiImage.h
2020-08-13 12:38:07 +02:00

128 lines
4.0 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 <gui/video/shaders/Shader.h>
#include <gui/GuiElement.h>
#include <gui/GuiImageData.h>
#include <gui/gx2_ext.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(int32_t w, int32_t h, const GX2Color &c, int32_t imgType = IMAGE_COLOR);
GuiImage(int32_t w, int32_t h, const GX2Color *c, uint32_t colorCount = 1, int32_t 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(int32_t t) {
tileHorizontal = t;
}
//!Sets the number of times to draw the image vertically
//!\param t Number of times to draw the image
void setTileVertical(int32_t 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(int32_t x, int32_t 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(int32_t x, int32_t y, const GX2Color &color);
//!Change ImageColor
void setImageColor(const GX2Color &c, int32_t idx = -1);
//!Change ImageColor
void setSize(int32_t w, int32_t h);
void setPrimitiveVertex(int32_t prim, const float *pos, const float *tex, uint32_t count);
void setBlurDirection(uint8_t dir, float value) {
if (dir < 2) {
blurDirection[dir] = value;
}
}
void setColorIntensity(const glm::vec4 &col) {
colorIntensity = col;
}
protected:
void internalInit(int32_t w, int32_t h);
int32_t imgType; //!< Type of image data (IMAGE_TEXTURE, IMAGE_COLOR, IMAGE_DATA)
GuiImageData *imageData; //!< Poiner to image data. May be shared with GuiImageData data
int32_t tileHorizontal; //!< Number of times to draw (tile) the image horizontally
int32_t tileVertical; //!< Number of times to draw (tile) the image vertically
//! Internally used variables for rendering
uint8_t *colorVtxs;
uint32_t colorCount;
bool colorVtxsDirty;
glm::vec3 positionOffsets;
glm::vec3 scaleFactor;
glm::vec4 colorIntensity;
float imageAngle;
glm::vec3 blurDirection;
const float *posVtxs;
const float *texCoords;
uint32_t vtxCount;
int32_t primitive;
};
#endif