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libgui/source/gui/GuiImage.cpp

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/****************************************************************************
* 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/>.
****************************************************************************/
#include "utils/utils.h"
#include <gui/GuiImage.h>
#include <gui/video/CVideo.h>
#include <gui/video/shaders/ColorShader.h>
#include <gui/video/shaders/Texture2DShader.h>
static const float fPiDiv180 = ((float) M_PI / 180.0f);
GuiImage::GuiImage(GuiImageData *img) {
if (img && img->getTexture()) {
width = img->getWidth();
height = img->getHeight();
}
internalInit(width, height);
imageData = img;
}
GuiImage::GuiImage(int32_t w, int32_t h, const GX2Color &c, int32_t type) {
internalInit(w, h);
imgType = type;
colorCount = ColorShader::cuColorVtxsSize / ColorShader::cuColorAttrSize;
colorVtxs = (uint8_t *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, colorCount * ColorShader::cuColorAttrSize);
if (colorVtxs) {
for (uint32_t i = 0; i < colorCount; i++) {
setImageColor(c, i);
}
}
}
GuiImage::GuiImage(int32_t w, int32_t h, const GX2Color *c, uint32_t color_count, int32_t type) {
internalInit(w, h);
imgType = type;
colorCount = ColorShader::cuColorVtxsSize / ColorShader::cuColorAttrSize;
if (colorCount < color_count) {
colorCount = color_count;
}
colorVtxs = (uint8_t *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, colorCount * ColorShader::cuColorAttrSize);
if (colorVtxs) {
for (uint32_t i = 0; i < colorCount; i++) {
// take the last as reference if not enough colors defined
int32_t idx = (i < color_count) ? i : (color_count - 1);
setImageColor(c[idx], i);
}
}
}
/**
* Destructor for the GuiImage class.
*/
GuiImage::~GuiImage() {
if (colorVtxs) {
free(colorVtxs);
colorVtxs = NULL;
}
}
void GuiImage::internalInit(int32_t w, int32_t h) {
imageData = NULL;
width = w;
height = h;
tileHorizontal = -1;
tileVertical = -1;
imgType = IMAGE_TEXTURE;
colorVtxsDirty = false;
colorVtxs = NULL;
colorCount = 0;
posVtxs = NULL;
texCoords = NULL;
vtxCount = 4;
primitive = GX2_PRIMITIVE_MODE_QUADS;
imageAngle = 0.0f;
blurDirection = glm::vec3(0.0f);
positionOffsets = glm::vec3(0.0f);
scaleFactor = glm::vec3(1.0f);
colorIntensity = glm::vec4(1.0f);
}
void GuiImage::setImageData(GuiImageData *img) {
imageData = img;
width = 0;
height = 0;
if (img && img->getTexture()) {
width = img->getWidth();
height = img->getHeight();
}
imgType = IMAGE_TEXTURE;
}
GX2Color GuiImage::getPixel(int32_t x, int32_t y) {
if (!imageData || this->getWidth() <= 0 || x < 0 || y < 0 || x >= this->getWidth() || y >= this->getHeight()) {
return (GX2Color){
0, 0, 0, 0};
}
uint32_t pitch = imageData->getTexture()->surface.pitch;
uint32_t *imagePtr = (uint32_t *) imageData->getTexture()->surface.image;
uint32_t color_u32 = imagePtr[y * pitch + x];
GX2Color color;
color.r = (color_u32 >> 24) & 0xFF;
color.g = (color_u32 >> 16) & 0xFF;
color.b = (color_u32 >> 8) & 0xFF;
color.a = (color_u32 >> 0) & 0xFF;
return color;
}
void GuiImage::setPixel(int32_t x, int32_t y, const GX2Color &color) {
if (!imageData || this->getWidth() <= 0 || x < 0 || y < 0 || x >= this->getWidth() || y >= this->getHeight()) {
return;
}
uint32_t pitch = imageData->getTexture()->surface.pitch;
uint32_t *imagePtr = (uint32_t *) imageData->getTexture()->surface.image;
imagePtr[y * pitch + x] = (color.r << 24) | (color.g << 16) | (color.b << 8) | (color.a << 0);
}
void GuiImage::setImageColor(const GX2Color &c, int32_t idx) {
if (!colorVtxs) {
return;
}
if (idx >= 0 && idx < (int32_t) colorCount) {
colorVtxs[(idx << 2) + 0] = c.r;
colorVtxs[(idx << 2) + 1] = c.g;
colorVtxs[(idx << 2) + 2] = c.b;
colorVtxs[(idx << 2) + 3] = c.a;
colorVtxsDirty = true;
} else if (colorVtxs) {
for (uint32_t i = 0; i < (ColorShader::cuColorVtxsSize / sizeof(uint8_t)); i += 4) {
colorVtxs[i + 0] = c.r;
colorVtxs[i + 1] = c.g;
colorVtxs[i + 2] = c.b;
colorVtxs[i + 3] = c.a;
}
colorVtxsDirty = true;
}
}
void GuiImage::setSize(int32_t w, int32_t h) {
width = w;
height = h;
}
void GuiImage::setPrimitiveVertex(int32_t prim, const float *posVtx, const float *texCoord, uint32_t vtxcount) {
primitive = prim;
vtxCount = vtxcount;
posVtxs = posVtx;
texCoords = texCoord;
if (imgType == IMAGE_COLOR) {
uint8_t *newColorVtxs = (uint8_t *) memalign(0x40, ColorShader::cuColorAttrSize * vtxCount);
for (uint32_t i = 0; i < vtxCount; i++) {
int32_t newColorIdx = (i << 2);
int32_t colorIdx = (i < colorCount) ? (newColorIdx) : ((colorCount - 1) << 2);
newColorVtxs[newColorIdx + 0] = colorVtxs[colorIdx + 0];
newColorVtxs[newColorIdx + 1] = colorVtxs[colorIdx + 1];
newColorVtxs[newColorIdx + 2] = colorVtxs[colorIdx + 2];
newColorVtxs[newColorIdx + 3] = colorVtxs[colorIdx + 3];
}
free(colorVtxs);
colorVtxs = newColorVtxs;
colorCount = vtxCount;
colorVtxsDirty = true;
}
}
void GuiImage::draw(CVideo *pVideo) {
if (!this->isVisible() || tileVertical == 0 || tileHorizontal == 0) {
return;
}
float currScaleX = getScaleX();
float currScaleY = getScaleY();
positionOffsets[0] = getCenterX() * pVideo->getWidthScaleFactor() * 2.0f;
positionOffsets[1] = getCenterY() * pVideo->getHeightScaleFactor() * 2.0f;
positionOffsets[2] = getDepth() * pVideo->getDepthScaleFactor() * 2.0f;
scaleFactor[0] = currScaleX * getWidth() * pVideo->getWidthScaleFactor();
scaleFactor[1] = currScaleY * getHeight() * pVideo->getHeightScaleFactor();
scaleFactor[2] = getScaleZ();
//! add other colors intensities parameters
colorIntensity[3] = getAlpha();
//! angle of the object
imageAngle = DegToRad(getAngle());
// if(image && tileHorizontal > 0 && tileVertical > 0)
// {
// for(int32_t n=0; n<tileVertical; n++)
// for(int32_t i=0; i<tileHorizontal; i++)
// {
// if(bUnCut)
// Menu_DrawImg(image, width, height, format, currLeft+width*i, currTop+width*n, currZ, imageangle, currScaleX, currScaleY, currAlpha);
// else
// Menu_DrawImgCut(image, width, height, format, currLeft+width*i, currTop+width*n, currZ, imageangle, currScaleX, currScaleY, currAlpha, cutBoundsRect.x1(), cutBoundsRect.x2(), cutBoundsRect.y1(), cutBoundsRect.y2());
// }
// }
// else if(image && tileHorizontal > 0)
// {
// for(int32_t i=0; i<tileHorizontal; i++)
// {
// int32_t widthTile = (imageangle == 90 || imageangle == 270) ? height : width;
// if(bUnCut)
// Menu_DrawImg(image, width, height, format, currLeft+widthTile*i, currTop, currZ, imageangle, currScaleX, currScaleY, currAlpha);
// else
// Menu_DrawImgCut(image, width, height, format, currLeft+widthTile*i, currTop, currZ, imageangle, currScaleX, currScaleY, currAlpha, cutBoundsRect.x1(), cutBoundsRect.x2(), cutBoundsRect.y1(), cutBoundsRect.y2());
// }
// }
// else if(image && tileVertical > 0)
// {
// for(int32_t i=0; i<tileVertical; i++)
// {
// if(bUnCut)
// Menu_DrawImg(image, width, height, format, currLeft, currTop+height*i, currZ, imageangle, currScaleX, currScaleY, currAlpha);
// else
// Menu_DrawImgCut(image, width, height, format, currLeft, currTop+height*i, currZ, imageangle, currScaleX, currScaleY, currAlpha, cutBoundsRect.x1(), cutBoundsRect.x2(), cutBoundsRect.y1(), cutBoundsRect.y2());
// }
// }
if (colorVtxsDirty && colorVtxs) {
//! flush color vertex only on main GX2 thread
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, colorVtxs, colorCount * ColorShader::cuColorAttrSize);
colorVtxsDirty = false;
}
if (imgType == IMAGE_COLOR && colorVtxs) {
ColorShader::instance()->setShaders();
ColorShader::instance()->setAttributeBuffer(colorVtxs, posVtxs, vtxCount);
ColorShader::instance()->setAngle(imageAngle);
ColorShader::instance()->setOffset(positionOffsets);
ColorShader::instance()->setScale(scaleFactor);
ColorShader::instance()->setColorIntensity(colorIntensity);
ColorShader::instance()->draw(primitive, vtxCount);
} else if (imageData) {
Texture2DShader::instance()->setShaders();
Texture2DShader::instance()->setAttributeBuffer(texCoords, posVtxs, vtxCount);
Texture2DShader::instance()->setAngle(imageAngle);
Texture2DShader::instance()->setOffset(positionOffsets);
Texture2DShader::instance()->setScale(scaleFactor);
Texture2DShader::instance()->setColorIntensity(colorIntensity);
Texture2DShader::instance()->setBlurring(blurDirection);
Texture2DShader::instance()->setTextureAndSampler(imageData->getTexture(), imageData->getSampler());
Texture2DShader::instance()->draw(primitive, vtxCount);
}
}
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