ImageGlyph::ImageGlyph(const ImageRGBA& rgba, AlloyContext* context,
bool mipmap) :
Glyph("image_rgba", GlyphType::Image, 0, 0) {
handle = nvgCreateImageRGBA(context->nvgContext, rgba.width, rgba.height,
(mipmap) ? NVG_IMAGE_GENERATE_MIPMAPS : 0, rgba.ptr());
width = (pixel) rgba.width;
height = (pixel) rgba.height;
}
void ImageGlyph::set(const ImageRGBA& rgba, AlloyContext* context) {
nvgUpdateImage(context->nvgContext, handle, rgba.ptr());
}
void Application::getScreenShot(ImageRGBA& img) {
int w = 0, h = 0;
glfwGetFramebufferSize(context->window, &w, &h);
img.resize(w, h);
glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, img.ptr());
}
