25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2020 - Raw Material Software Limited
|
|
|
|
JUCE is an open source library subject to commercial or open-source
|
|
licensing.
|
|
|
|
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
|
|
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
|
|
|
|
End User License Agreement: www.juce.com/juce-6-licence
|
|
Privacy Policy: www.juce.com/juce-privacy-policy
|
|
|
|
Or: You may also use this code under the terms of the GPL v3 (see
|
|
www.gnu.org/licenses).
|
|
|
|
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
|
|
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
|
|
DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
//==============================================================================
|
|
/**
|
|
Creates an openGL texture from an Image.
|
|
|
|
@tags{OpenGL}
|
|
*/
|
|
class JUCE_API OpenGLTexture
|
|
{
|
|
public:
|
|
OpenGLTexture();
|
|
~OpenGLTexture();
|
|
|
|
/** Creates a texture from the given image.
|
|
|
|
Note that if the image's dimensions aren't a power-of-two, the texture may
|
|
be created with a larger size.
|
|
|
|
The image will be arranged so that its top-left corner is at texture
|
|
coordinate (0, 1).
|
|
*/
|
|
void loadImage (const Image& image);
|
|
|
|
/** Creates a texture from a raw array of pixels.
|
|
If width and height are not powers-of-two, the texture will be created with a
|
|
larger size, and only the subsection (0, 0, width, height) will be initialised.
|
|
The data is sent directly to the OpenGL driver without being flipped vertically,
|
|
so the first pixel will be mapped onto texture coordinate (0, 0).
|
|
*/
|
|
void loadARGB (const PixelARGB* pixels, int width, int height);
|
|
|
|
/** Creates a texture from a raw array of pixels.
|
|
This is like loadARGB, but will vertically flip the data so that the first
|
|
pixel ends up at texture coordinate (0, 1), and if the width and height are
|
|
not powers-of-two, it will compensate by using a larger texture size.
|
|
*/
|
|
void loadARGBFlipped (const PixelARGB* pixels, int width, int height);
|
|
|
|
/** Creates an alpha-channel texture from an array of alpha values.
|
|
If width and height are not powers-of-two, the texture will be created with a
|
|
larger size, and only the subsection (0, 0, width, height) will be initialised.
|
|
The data is sent directly to the OpenGL driver without being flipped vertically,
|
|
so the first pixel will be mapped onto texture coordinate (0, 0).
|
|
*/
|
|
void loadAlpha (const uint8* pixels, int width, int height);
|
|
|
|
/** Frees the texture, if there is one. */
|
|
void release();
|
|
|
|
/** Binds the texture to the currently active openGL context. */
|
|
void bind() const;
|
|
|
|
/** Unbinds the texture to the currently active openGL context. */
|
|
void unbind() const;
|
|
|
|
/** Returns the GL texture ID number. */
|
|
GLuint getTextureID() const noexcept { return textureID; }
|
|
|
|
int getWidth() const noexcept { return width; }
|
|
int getHeight() const noexcept { return height; }
|
|
|
|
/** Returns true if a texture can be created with the given size.
|
|
Some systems may require that the sizes are powers-of-two.
|
|
*/
|
|
static bool isValidSize (int width, int height);
|
|
|
|
private:
|
|
GLuint textureID;
|
|
int width, height;
|
|
OpenGLContext* ownerContext;
|
|
|
|
void create (int w, int h, const void*, GLenum, bool topLeft);
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OpenGLTexture)
|
|
};
|
|
|
|
} // namespace juce
|