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Initial Mercurial commit.
This commit is contained in:
@@ -0,0 +1,576 @@
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||||
/**
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||||
* Copyright (c) 2006-2009 LOVE Development Team
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*
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||||
* This software is provided 'as-is', without any express or implied
|
||||
* warranty. In no event will the authors be held liable for any damages
|
||||
* arising from the use of this software.
|
||||
*
|
||||
* Permission is granted to anyone to use this software for any purpose,
|
||||
* including commercial applications, and to alter it and redistribute it
|
||||
* freely, subject to the following restrictions:
|
||||
*
|
||||
* 1. The origin of this software must not be misrepresented; you must not
|
||||
* claim that you wrote the original software. If you use this software
|
||||
* in a product, an acknowledgment in the product documentation would be
|
||||
* appreciated but is not required.
|
||||
* 2. Altered source versions must be plainly marked as such, and must not be
|
||||
* misrepresented as being the original software.
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||||
* 3. This notice may not be removed or altered from any source distribution.
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||||
**/
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#ifndef LOVE_GRAPHICS_OPENGL_GRAPHICS_H
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#define LOVE_GRAPHICS_OPENGL_GRAPHICS_H
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// STD
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#include <iostream>
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#include <cmath>
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// SDL
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#include <SDL.h>
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#include "GLee.h"
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#include <SDL_opengl.h>
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// LOVE
|
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#include <common/Module.h>
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#include "Image.h"
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#include "Animation.h"
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#include "Color.h"
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#include "TrueTypeFont.h"
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#include "ImageFont.h"
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#include "ParticleSystem.h"
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#include "SpriteBatch.h"
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#include "VertexBuffer.h"
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#include "Frame.h"
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namespace love
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||||
{
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namespace graphics
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{
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namespace opengl
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{
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struct DisplayMode
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{
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int width, height; // The size of the screen.
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int colorDepth; // The color depth of the display mode.
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||||
bool fullscreen; // Fullscreen (true), or windowed (false).
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bool vsync; // Vsync enabled (true), or disabled (false).
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||||
int fsaa; // 0 for no FSAA, otherwise 1, 2 or 4.
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||||
};
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||||
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||||
// During display mode changing, certain
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||||
// variables about the OpenGL context are
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||||
// lost.
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||||
struct DisplayState
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||||
{
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// Colors.
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GLubyte color[4];
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||||
GLubyte backgroundColor[4];
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||||
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||||
// Blend and color modes.
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int blendMode, colorMode;
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||||
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||||
// Line.
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float lineWidth;
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int lineStyle;
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bool stipple;
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||||
int stippleRepeat;
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int stipplePattern;
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||||
// Point.
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float pointSize;
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int pointStyle;
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||||
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||||
// Scissor.
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bool scissor;
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||||
GLint scissorBox[4];
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// Default values.
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DisplayState()
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{
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color[0] = 255;
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||||
color[1] = 255;
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color[2] = 255;
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color[3] = 255;
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backgroundColor[0] = 0;
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||||
backgroundColor[1] = 0;
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||||
backgroundColor[2] = 0;
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||||
backgroundColor[3] = 255;
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blendMode = BLEND_NORMAL;
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colorMode = COLOR_NORMAL;
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||||
lineWidth = 1.0f;
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lineStyle = LINE_SMOOTH;
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||||
stipple = false;
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||||
pointSize = 1.0f;
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||||
pointStyle = POINT_SMOOTH;
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||||
scissor = false;
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||||
}
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||||
|
||||
};
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||||
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||||
class Graphics : public Module
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||||
{
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||||
private:
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Font * currentFont;
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||||
DisplayMode currentMode;
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||||
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||||
public:
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Graphics();
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~Graphics();
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||||
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||||
// Implements Module.
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||||
const char * getName() const;
|
||||
|
||||
/**
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||||
* Checks whether a display mode is supported or not. Note
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||||
* that fullscreen is assumed, because windowed modes are
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||||
* generally supported regardless of size.
|
||||
* @param width The window width.
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||||
* @param height The window height.
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||||
**/
|
||||
bool checkMode(int width, int height, bool fullscreen);
|
||||
|
||||
|
||||
DisplayState saveState();
|
||||
|
||||
void restoreState(const DisplayState & s);
|
||||
|
||||
/**
|
||||
* Sets the current display mode.
|
||||
* @param width The window width.
|
||||
* @param height The window height.
|
||||
* @param fullscreen True if fullscreen, false otherwise.
|
||||
* @param vsync True if we should wait for vsync, false otherwise.
|
||||
* @param fsaa Number of full scene anti-aliasing buffer, or 0 for disabled.
|
||||
**/
|
||||
bool setMode(int width, int height, bool fullscreen, bool vsync, int fsaa);
|
||||
|
||||
/**
|
||||
* Toggles fullscreen. Note that this also needs to reload the
|
||||
* entire OpenGL context.
|
||||
**/
|
||||
bool toggleFullscreen();
|
||||
|
||||
/**
|
||||
* Resets the current color, background color,
|
||||
* line style, and so forth. (This will be called
|
||||
* when the game reloads.
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||||
**/
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||||
void reset();
|
||||
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||||
/**
|
||||
* Clears the screen.
|
||||
**/
|
||||
void clear();
|
||||
|
||||
/**
|
||||
* Flips buffers. (Rendered geometry is
|
||||
* presented on screen).
|
||||
**/
|
||||
void present();
|
||||
|
||||
/**
|
||||
* Sets the windows caption.
|
||||
**/
|
||||
void setCaption(const char * caption);
|
||||
|
||||
int getCaption(lua_State * L);
|
||||
|
||||
/**
|
||||
* Gets the width of the current display mode.
|
||||
**/
|
||||
int getWidth();
|
||||
|
||||
/**
|
||||
* Gets the height of the current display mode.
|
||||
**/
|
||||
int getHeight();
|
||||
|
||||
/**
|
||||
* True if some display mode is set.
|
||||
**/
|
||||
bool isCreated();
|
||||
|
||||
/**
|
||||
* This native Lua function gets available modes
|
||||
* from SDL and returns them as a table on the following format:
|
||||
*
|
||||
* {
|
||||
* { width = 800, height = 600 },
|
||||
* { width = 1024, height = 768 },
|
||||
* ...
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||||
* }
|
||||
*
|
||||
* Only fullscreen modes are returned here, as all
|
||||
* window sizes are supported (normally).
|
||||
**/
|
||||
int getModes(lua_State * L);
|
||||
|
||||
/**
|
||||
* Scissor defines a box such that everything outside that box is discared and not drawn.
|
||||
* Scissoring is automatically enabled.
|
||||
* @param x The x-coordinate of the top-left corner.
|
||||
* @param y The y-coordinate of the top-left corner.
|
||||
* @param width The width of the box.
|
||||
* @param height The height of the box.
|
||||
**/
|
||||
void setScissor(int x, int y, int width, int height);
|
||||
|
||||
/**
|
||||
* Clears any scissor that has been created.
|
||||
**/
|
||||
void setScissor();
|
||||
|
||||
/**
|
||||
* This native Lua function gets the current scissor box in the order of:
|
||||
* x, y, width, height
|
||||
**/
|
||||
int getScissor(lua_State * L);
|
||||
|
||||
/**
|
||||
* Creates a new Color object.
|
||||
**/
|
||||
Color * newColor( int r, int g, int b, int a );
|
||||
|
||||
/**
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||||
* Creates an Image object with padding and/or optimization.
|
||||
**/
|
||||
Image * newImage(love::filesystem::File * file);
|
||||
Image * newImage(love::image::ImageData * data);
|
||||
|
||||
/**
|
||||
* Creates a Frame
|
||||
**/
|
||||
Frame * newFrame(int x, int y, int w, int h, int sw, int sh);
|
||||
|
||||
/**
|
||||
* Creates a Font object.
|
||||
**/
|
||||
Font * newFont(love::filesystem::File * file, int size = 12);
|
||||
|
||||
/**
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||||
* Creates an ImageFont object.
|
||||
**/
|
||||
Font * newImageFont(Image * image, const char * glyphs, float spacing = 1);
|
||||
|
||||
/**
|
||||
* Creates an Animation object with no frames.
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||||
**/
|
||||
Animation * newAnimation(Image * image);
|
||||
|
||||
/**
|
||||
* Creates an Animation object with generated frames in a grid.
|
||||
**/
|
||||
Animation * newAnimation(Image * image, float fw, float fh, float delay, int num = 0);
|
||||
|
||||
/**
|
||||
* Creates a ParticleSystem object with the specified buffer size and using the specified sprite.
|
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**/
|
||||
//pParticleSystem newParticleSystem(Image * image, unsigned int size);
|
||||
|
||||
/**
|
||||
* Creates a PointParticleSystem object with the specified buffer size and sprite.
|
||||
* @param mode This should be love::POINT_SPRITE.
|
||||
**/
|
||||
//pParticleSystem newParticleSystem(Image * image, unsigned int size, int mode);
|
||||
|
||||
SpriteBatch * newSpriteBatch(Image * image, int size, int usage);
|
||||
VertexBuffer * newVertexBuffer(Image * image, int size, int type, int usage);
|
||||
|
||||
/**
|
||||
* Sets the foreground color.
|
||||
**/
|
||||
void setColor(Color * color);
|
||||
|
||||
/**
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||||
* Sets the foreground color.
|
||||
**/
|
||||
void setColor( int r, int g, int b, int a = 255);
|
||||
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/**
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||||
* Gets current color.
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||||
**/
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||||
Color * getColor();
|
||||
|
||||
/**
|
||||
* Sets the background Color.
|
||||
**/
|
||||
void setBackgroundColor( Color * color );
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||||
|
||||
/**
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||||
* Sets the background Color.
|
||||
**/
|
||||
void setBackgroundColor( int r, int g, int b );
|
||||
|
||||
/**
|
||||
* Gets the current background color.
|
||||
**/
|
||||
Color * getBackgroundColor();
|
||||
|
||||
/**
|
||||
* Sets the current font.
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||||
* @parm font A Font object.
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||||
**/
|
||||
void setFont( Font * font );
|
||||
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||||
/**
|
||||
* Sets a default font. The font is
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||||
* loaded and sent to the GPU every time this is called,
|
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* so no over-using.
|
||||
* @param file File from which to load the font.
|
||||
* @param size The size of the font.
|
||||
**/
|
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void setFont( love::filesystem::File * file, int size = 12);
|
||||
|
||||
/**
|
||||
* Gets the current Font, or nil if none.
|
||||
**/
|
||||
Font * getFont();
|
||||
|
||||
/**
|
||||
* Sets the current blend mode.
|
||||
**/
|
||||
void setBlendMode( int mode );
|
||||
|
||||
/**
|
||||
* Sets the current color mode.
|
||||
**/
|
||||
void setColorMode ( int mode );
|
||||
|
||||
/**
|
||||
* Gets the current blend mode.
|
||||
**/
|
||||
int getBlendMode();
|
||||
|
||||
/**
|
||||
* Gets the current color mode.
|
||||
**/
|
||||
int getColorMode();
|
||||
|
||||
/**
|
||||
* Sets the line width.
|
||||
* @param width The new width of the line.
|
||||
**/
|
||||
void setLineWidth( float width );
|
||||
|
||||
/**
|
||||
* Sets the line style.
|
||||
* @param style LINE_ROUGH or LINE_SMOOTH.
|
||||
**/
|
||||
void setLineStyle( int style );
|
||||
|
||||
/**
|
||||
* Sets the type of line used to draw primitives.
|
||||
* A shorthand for setLineWidth and setLineStyle.
|
||||
**/
|
||||
void setLine( float width, int style = 0 );
|
||||
|
||||
/**
|
||||
* Disables line stippling.
|
||||
**/
|
||||
void setLineStipple();
|
||||
|
||||
/**
|
||||
* Sets a line stipple pattern.
|
||||
**/
|
||||
void setLineStipple(unsigned short pattern, int repeat = 1);
|
||||
|
||||
/**
|
||||
* Gets the line width.
|
||||
**/
|
||||
float getLineWidth();
|
||||
|
||||
/**
|
||||
* Gets the line style.
|
||||
**/
|
||||
int getLineStyle();
|
||||
|
||||
/**
|
||||
* Gets the line stipple pattern and repeat factor.
|
||||
* @return pattern The stipplie bit-pattern.
|
||||
* @return repeat The reapeat factor.
|
||||
**/
|
||||
int getLineStipple(lua_State * L);
|
||||
|
||||
/**
|
||||
* Sets the size of points.
|
||||
**/
|
||||
void setPointSize( float size );
|
||||
|
||||
/**
|
||||
* Sets the style of points.
|
||||
* @param style POINT_SMOOTH or POINT_ROUGH.
|
||||
**/
|
||||
void setPointStyle( int style );
|
||||
|
||||
/**
|
||||
* Shorthand for setPointSize and setPointStyle.
|
||||
**/
|
||||
void setPoint( float size, int style );
|
||||
|
||||
/**
|
||||
* Gets the point size.
|
||||
**/
|
||||
float getPointSize();
|
||||
|
||||
/**
|
||||
* Gets the point style.
|
||||
**/
|
||||
int getPointStyle();
|
||||
|
||||
/**
|
||||
* Gets the maximum point size supported.
|
||||
* This may vary from computer to computer.
|
||||
**/
|
||||
int getMaxPointSize();
|
||||
|
||||
/**
|
||||
* Draw text on screen at the specified coordiantes (automatically breaks \n characters).
|
||||
*
|
||||
* @param str A string of text.
|
||||
* @param x The x-coordiante.
|
||||
* @param y The y-coordiante.
|
||||
**/
|
||||
void print( const char * str, float x, float y );
|
||||
|
||||
/**
|
||||
* Draws text at the specified coordinates, with rotation.
|
||||
* @param x The x-coordinate.
|
||||
* @param y The y-coordinate.
|
||||
* @param angle The amount of rotation.
|
||||
**/
|
||||
void print( const char * str, float x, float y , float angle );
|
||||
|
||||
/**
|
||||
* Draws text at the specified coordinates, with rotation and
|
||||
* scaling.
|
||||
* @param x The x-coordinate.
|
||||
* @param y The y-coordinate.
|
||||
* @param angle The amount of rotation.
|
||||
* @param s The scale factor. (1 = normal).
|
||||
**/
|
||||
void print( const char * str, float x, float y , float angle, float s );
|
||||
|
||||
/**
|
||||
* Draws text at the specified coordinates, with rotation and
|
||||
* scaling along both axes.
|
||||
* @param x The x-coordinate.
|
||||
* @param y The y-coordinate.
|
||||
* @param angle The amount of rotation.
|
||||
* @param sx The scale factor along the x-axis. (1 = normal).
|
||||
* @param sy The scale factor along the y-axis. (1 = normal).
|
||||
**/
|
||||
void print( const char * str, float x, float y , float angle, float sx, float sy);
|
||||
|
||||
/**
|
||||
* Draw formatted text on screen at the specified coordinates.
|
||||
*
|
||||
* @param str A string of text.
|
||||
* @param x The x-coordinate.
|
||||
* @param y The y-coordinate.
|
||||
* @param wrap The maximum width of the text area.
|
||||
* @param align Where to align the text.
|
||||
**/
|
||||
void printf( const char * str, float x, float y, float wrap, int align = 0 );
|
||||
|
||||
/**
|
||||
* Draws an Image at the specified coordinates, with rotation and
|
||||
* scaling along both axes.
|
||||
* @param x The x-coordinate.
|
||||
* @param y The y-coordinate.
|
||||
* @param angle The amount of rotation.
|
||||
* @param sx The scale factor along the x-axis. (1 = normal).
|
||||
* @param sy The scale factor along the y-axis. (1 = normal).
|
||||
**/
|
||||
//void draw(Drawable * drawable, float x, float y, float angle, float sx, float sy);
|
||||
|
||||
/**
|
||||
* Draws a point at (x,y).
|
||||
* @param x Point along x-axis.
|
||||
* @param y Point along y-axis.
|
||||
**/
|
||||
void point( float x, float y );
|
||||
|
||||
/**
|
||||
* Draws a line from (x1,y1) to (x2,y2).
|
||||
* @param x1 First x-coordinate.
|
||||
* @param y1 First y-coordinate.
|
||||
* @param x2 Second x-coordinate.
|
||||
* @param y2 Second y-coordinate.
|
||||
**/
|
||||
void line( float x1, float y1, float x2, float y2 );
|
||||
|
||||
/**
|
||||
* Draws a triangle using the three coordinates passed.
|
||||
* @param type The type of drawing (line/filled).
|
||||
* @param x1 First x-coordinate.
|
||||
* @param y1 First y-coordinate.
|
||||
* @param x2 Second x-coordinate.
|
||||
* @param y2 Second y-coordinate.
|
||||
* @param x3 Third x-coordinate.
|
||||
* @param y3 Third y-coordinate.
|
||||
**/
|
||||
void triangle( int type, float x1, float y1, float x2, float y2, float x3, float y3 );
|
||||
|
||||
/**
|
||||
* Draws a rectangle.
|
||||
* @param x Position along x-axis for top-left corner.
|
||||
* @param y Position along y-axis for top-left corner.
|
||||
* @param w The width of the rectangle.
|
||||
* @param h The height of the rectangle.
|
||||
**/
|
||||
void rectangle( int type, float x, float y, float w, float h );
|
||||
|
||||
/**
|
||||
* Draws a quadrilateral using the four coordinates passed.
|
||||
* @param type The type of drawing (line/filled).
|
||||
* @param x1 First x-coordinate.
|
||||
* @param y1 First y-coordinate.
|
||||
* @param x2 Second x-coordinate.
|
||||
* @param y2 Second y-coordinate.
|
||||
* @param x3 Third x-coordinate.
|
||||
* @param y3 Third y-coordinate.
|
||||
* @param x4 Fourth x-coordinate.
|
||||
* @param y4 Fourth y-coordinate.
|
||||
**/
|
||||
void quad( int type, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4 );
|
||||
|
||||
/**
|
||||
* Draws a circle using the specified arguments.
|
||||
* @param type The type of drawing (line/filled).
|
||||
* @param x X-coordinate.
|
||||
* @param y Y-coordinate.
|
||||
* @param radius Radius of the circle.
|
||||
* @param points Amount of points to use to draw the circle.
|
||||
**/
|
||||
void circle( int type, float x, float y, float radius, int points = 10 );
|
||||
|
||||
/**
|
||||
* Draws a polygon with an arbitrary number of vertices.
|
||||
* @param type The type of drawing (line/filled).
|
||||
* @param ... Vertex components (x1, y1, x2, y2, etc).
|
||||
**/
|
||||
int polygon( lua_State * L );
|
||||
int polygong( lua_State * L );
|
||||
|
||||
/**
|
||||
* Creates a screenshot of the view and saves it to the default folder.
|
||||
* @param file The file to write the screenshot to.
|
||||
**/
|
||||
bool screenshot(love::filesystem::File * file);
|
||||
|
||||
void push();
|
||||
void pop();
|
||||
void rotate(float r);
|
||||
void scale(float x, float y = 1.0f);
|
||||
void translate(float x, float y);
|
||||
|
||||
void drawTest(Image * image, float x, float y, float a, float sx, float sy, float ox, float oy);
|
||||
|
||||
}; // Graphics
|
||||
|
||||
} // opengl
|
||||
} // graphics
|
||||
} // love
|
||||
|
||||
#endif // LOVE_GRAPHICS_OPENGL_GRAPHICS_H
|
||||
Reference in New Issue
Block a user