mirror of
https://github.com/wiiu-env/libgui.git
synced 2024-12-26 16:21:49 +01:00
290 lines
9.2 KiB
C++
290 lines
9.2 KiB
C++
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/****************************************************************************
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* Copyright (C) 2015 Dimok
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "GuiImage.h"
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#include "video/CVideo.h"
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#include "video/shaders/Texture2DShader.h"
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#include "video/shaders/ColorShader.h"
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static const f32 fPiDiv180 = ((f32)M_PI / 180.0f);
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GuiImage::GuiImage(GuiImageData * img)
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{
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if(img && img->getTexture())
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{
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width = img->getWidth();
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height = img->getHeight();
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}
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internalInit(width, height);
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imageData = img;
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}
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GuiImage::GuiImage(s32 w, s32 h, const GX2Color & c, s32 type)
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{
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internalInit(w, h);
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imgType = type;
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colorCount = ColorShader::cuColorVtxsSize / ColorShader::cuColorAttrSize;
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colorVtxs = (u8 *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, colorCount * ColorShader::cuColorAttrSize);
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if(colorVtxs)
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{
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for(u32 i = 0; i < colorCount; i++)
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setImageColor(c, i);
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}
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}
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GuiImage::GuiImage(s32 w, s32 h, const GX2Color *c, u32 color_count, s32 type)
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{
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internalInit(w, h);
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imgType = type;
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colorCount = ColorShader::cuColorVtxsSize / ColorShader::cuColorAttrSize;
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if(colorCount < color_count)
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colorCount = color_count;
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colorVtxs = (u8 *) memalign(GX2_VERTEX_BUFFER_ALIGNMENT, colorCount * ColorShader::cuColorAttrSize);
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if(colorVtxs)
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{
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for(u32 i = 0; i < colorCount; i++)
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{
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// take the last as reference if not enough colors defined
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s32 idx = (i < color_count) ? i : (color_count - 1);
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setImageColor(c[idx], i);
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}
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}
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}
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/**
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* Destructor for the GuiImage class.
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*/
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GuiImage::~GuiImage()
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{
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if(colorVtxs) {
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free(colorVtxs);
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colorVtxs = NULL;
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}
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}
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void GuiImage::internalInit(s32 w, s32 h)
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{
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imageData = NULL;
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width = w;
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height = h;
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tileHorizontal = -1;
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tileVertical = -1;
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imgType = IMAGE_TEXTURE;
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colorVtxsDirty = false;
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colorVtxs = NULL;
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colorCount = 0;
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posVtxs = NULL;
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texCoords = NULL;
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vtxCount = 4;
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primitive = GX2_PRIMITIVE_QUADS;
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imageAngle = 0.0f;
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blurDirection = glm::vec3(0.0f);
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positionOffsets = glm::vec3(0.0f);
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scaleFactor = glm::vec3(1.0f);
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colorIntensity = glm::vec4(1.0f);
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}
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void GuiImage::setImageData(GuiImageData * img)
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{
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imageData = img;
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width = 0;
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height = 0;
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if(img && img->getTexture())
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{
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width = img->getWidth();
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height = img->getHeight();
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}
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imgType = IMAGE_TEXTURE;
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}
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GX2Color GuiImage::getPixel(s32 x, s32 y)
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{
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if(!imageData || this->getWidth() <= 0 || x < 0 || y < 0 || x >= this->getWidth() || y >= this->getHeight())
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return (GX2Color){0, 0, 0, 0};
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u32 pitch = imageData->getTexture()->surface.pitch;
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u32 *imagePtr = (u32*)imageData->getTexture()->surface.image_data;
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u32 color_u32 = imagePtr[y * pitch + x];
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GX2Color color;
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color.r = (color_u32 >> 24) & 0xFF;
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color.g = (color_u32 >> 16) & 0xFF;
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color.b = (color_u32 >> 8) & 0xFF;
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color.a = (color_u32 >> 0) & 0xFF;
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return color;
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}
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void GuiImage::setPixel(s32 x, s32 y, const GX2Color & color)
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{
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if(!imageData || this->getWidth() <= 0 || x < 0 || y < 0 || x >= this->getWidth() || y >= this->getHeight())
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return;
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u32 pitch = imageData->getTexture()->surface.pitch;
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u32 *imagePtr = (u32*)imageData->getTexture()->surface.image_data;
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imagePtr[y * pitch + x] = (color.r << 24) | (color.g << 16) | (color.b << 8) | (color.a << 0);
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}
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void GuiImage::setImageColor(const GX2Color & c, s32 idx)
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{
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if(!colorVtxs) {
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return;
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}
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if(idx >= 0 && idx < (s32)colorCount)
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{
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colorVtxs[(idx << 2) + 0] = c.r;
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colorVtxs[(idx << 2) + 1] = c.g;
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colorVtxs[(idx << 2) + 2] = c.b;
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colorVtxs[(idx << 2) + 3] = c.a;
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colorVtxsDirty = true;
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}
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else if(colorVtxs)
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{
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for(u32 i = 0; i < (ColorShader::cuColorVtxsSize / sizeof(u8)); i += 4)
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{
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colorVtxs[i + 0] = c.r;
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colorVtxs[i + 1] = c.g;
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colorVtxs[i + 2] = c.b;
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colorVtxs[i + 3] = c.a;
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}
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colorVtxsDirty = true;
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}
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}
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void GuiImage::setSize(s32 w, s32 h)
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{
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width = w;
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height = h;
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}
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void GuiImage::setPrimitiveVertex(s32 prim, const f32 *posVtx, const f32 *texCoord, u32 vtxcount)
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{
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primitive = prim;
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vtxCount = vtxcount;
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posVtxs = posVtx;
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texCoords = texCoord;
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if(imgType == IMAGE_COLOR)
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{
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u8 * newColorVtxs = (u8 *) memalign(0x40, ColorShader::cuColorAttrSize * vtxCount);
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for(u32 i = 0; i < vtxCount; i++)
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{
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s32 newColorIdx = (i << 2);
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s32 colorIdx = (i < colorCount) ? (newColorIdx) : ((colorCount - 1) << 2);
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newColorVtxs[newColorIdx + 0] = colorVtxs[colorIdx + 0];
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newColorVtxs[newColorIdx + 1] = colorVtxs[colorIdx + 1];
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newColorVtxs[newColorIdx + 2] = colorVtxs[colorIdx + 2];
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newColorVtxs[newColorIdx + 3] = colorVtxs[colorIdx + 3];
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}
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free(colorVtxs);
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colorVtxs = newColorVtxs;
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colorCount = vtxCount;
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colorVtxsDirty = true;
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}
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}
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void GuiImage::draw(CVideo *pVideo)
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{
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if(!this->isVisible() || tileVertical == 0 || tileHorizontal == 0)
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return;
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f32 currScaleX = getScaleX();
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f32 currScaleY = getScaleY();
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positionOffsets[0] = getCenterX() * pVideo->getWidthScaleFactor() * 2.0f;
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positionOffsets[1] = getCenterY() * pVideo->getHeightScaleFactor() * 2.0f;
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positionOffsets[2] = getDepth() * pVideo->getDepthScaleFactor() * 2.0f;
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scaleFactor[0] = currScaleX * getWidth() * pVideo->getWidthScaleFactor();
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scaleFactor[1] = currScaleY * getHeight() * pVideo->getHeightScaleFactor();
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scaleFactor[2] = getScaleZ();
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//! add other colors intensities parameters
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colorIntensity[3] = getAlpha();
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//! angle of the object
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imageAngle = DegToRad(getAngle());
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// if(image && tileHorizontal > 0 && tileVertical > 0)
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// {
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// for(s32 n=0; n<tileVertical; n++)
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// for(s32 i=0; i<tileHorizontal; i++)
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// {
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// if(bUnCut)
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// Menu_DrawImg(image, width, height, format, currLeft+width*i, currTop+width*n, currZ, imageangle, currScaleX, currScaleY, currAlpha);
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// else
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// 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());
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// }
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// }
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// else if(image && tileHorizontal > 0)
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// {
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// for(s32 i=0; i<tileHorizontal; i++)
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// {
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// s32 widthTile = (imageangle == 90 || imageangle == 270) ? height : width;
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// if(bUnCut)
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// Menu_DrawImg(image, width, height, format, currLeft+widthTile*i, currTop, currZ, imageangle, currScaleX, currScaleY, currAlpha);
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// else
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// Menu_DrawImgCut(image, width, height, format, currLeft+widthTile*i, currTop, currZ, imageangle, currScaleX, currScaleY, currAlpha, cutBoundsRect.x1(), cutBoundsRect.x2(), cutBoundsRect.y1(), cutBoundsRect.y2());
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// }
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// }
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// else if(image && tileVertical > 0)
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// {
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// for(s32 i=0; i<tileVertical; i++)
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// {
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// if(bUnCut)
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// Menu_DrawImg(image, width, height, format, currLeft, currTop+height*i, currZ, imageangle, currScaleX, currScaleY, currAlpha);
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// else
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// Menu_DrawImgCut(image, width, height, format, currLeft, currTop+height*i, currZ, imageangle, currScaleX, currScaleY, currAlpha, cutBoundsRect.x1(), cutBoundsRect.x2(), cutBoundsRect.y1(), cutBoundsRect.y2());
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// }
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// }
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if(colorVtxsDirty && colorVtxs) {
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//! flush color vertex only on main GX2 thread
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GX2Invalidate(GX2_INVALIDATE_CPU_ATTRIB_BUFFER, colorVtxs, colorCount * ColorShader::cuColorAttrSize);
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colorVtxsDirty = false;
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}
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if(imgType == IMAGE_COLOR && colorVtxs)
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{
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ColorShader::instance()->setShaders();
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ColorShader::instance()->setAttributeBuffer(colorVtxs, posVtxs, vtxCount);
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ColorShader::instance()->setAngle(imageAngle);
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ColorShader::instance()->setOffset(positionOffsets);
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ColorShader::instance()->setScale(scaleFactor);
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ColorShader::instance()->setColorIntensity(colorIntensity);
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ColorShader::instance()->draw(primitive, vtxCount);
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}
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else if(imageData)
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{
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Texture2DShader::instance()->setShaders();
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Texture2DShader::instance()->setAttributeBuffer(texCoords, posVtxs, vtxCount);
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Texture2DShader::instance()->setAngle(imageAngle);
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Texture2DShader::instance()->setOffset(positionOffsets);
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Texture2DShader::instance()->setScale(scaleFactor);
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Texture2DShader::instance()->setColorIntensity(colorIntensity);
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Texture2DShader::instance()->setBlurring(blurDirection);
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Texture2DShader::instance()->setTextureAndSampler(imageData->getTexture(), imageData->getSampler());
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Texture2DShader::instance()->draw(primitive, vtxCount);
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}
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}
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