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10 changed files with 386 additions and 223 deletions
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@ -18,10 +18,6 @@ License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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module;
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#define STB_IMAGE_IMPLEMENTATION
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#include "../lib/stb_image.h"
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#include "../lib/stb_truetype.h"
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module Crafter.Graphics:UiElement_impl;
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import :UiElement;
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import :Window;
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@ -35,155 +31,6 @@ Transform::Transform(void* element, std::int_fast32_t anchorX, std::int_fast32_t
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}
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RenderingElement::RenderingElement(std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling) : transform(this, anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling) {
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}
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RenderingElement::RenderingElement(std::uint_fast32_t bufferWidth, std::uint_fast32_t bufferHeight, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling) : bufferWidth(bufferWidth), bufferHeight(bufferHeight), buffer(bufferWidth*bufferHeight), transform(this, anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling) {
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}
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RenderingElement::RenderingElement(const std::string_view imagePath, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling) : transform(this, anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling) {
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RenderImage(imagePath);
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}
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RenderingElement::RenderingElement(const std::string_view text, float size, Pixel_BU8_GU8_RU8_AU8 pixel, Font& font, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling) : transform(this, anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling) {
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RenderText(text, size, pixel, font);
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}
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RenderingElement::RenderingElement(Transform transform) : transform(transform) {
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}
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RenderingElement::RenderingElement(Transform transform, std::uint_fast32_t bufferWidth, std::uint_fast32_t bufferHeight) : transform(transform), bufferWidth(bufferWidth), bufferHeight(bufferHeight), buffer(bufferWidth*bufferHeight) {
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}
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void RenderingElement::ResizeBuffer(std::uint_fast32_t width, std::uint_fast32_t height) {
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this->bufferWidth = width;
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this->bufferHeight = height;
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buffer.resize(width * height);
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}
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void RenderingElement::RenderImage(const std::string_view path) {
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std::filesystem::path abs = std::filesystem::absolute(path);
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int xSize;
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int ySize;
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unsigned char* bgData = stbi_load(abs.string().c_str(), &xSize, &ySize, nullptr, 4);
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ResizeBuffer(xSize, ySize);
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for(std::uint_fast32_t x = 0; x < xSize; x++) {
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for(std::uint_fast32_t y = 0; y < ySize; y++) {
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std::uint_fast32_t idx = (x*ySize+y)*4;
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buffer[x*ySize+y].r = bgData[idx];
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buffer[x*ySize+y].g = bgData[idx+1];
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buffer[x*ySize+y].b = bgData[idx+2];
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buffer[x*ySize+y].a = bgData[idx+3];
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}
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}
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}
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void RenderingElement::RenderText(const std::string_view text, float size, Pixel_BU8_GU8_RU8_AU8 color, Font& font) {
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buffer.clear();
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float scale = stbtt_ScaleForPixelHeight(&font.font, size);
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int baseline = (int)(font.ascent * scale);
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std::uint_fast32_t bufferWidth = 0;
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for (const char c : text) {
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int advance, lsb;
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stbtt_GetCodepointHMetrics(&font.font, c, &advance, &lsb);
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bufferWidth += (int)(advance * scale);
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}
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ResizeBuffer(bufferWidth, (font.ascent - font.descent) * scale);
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int x = 0;
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for (std::uint_fast32_t i = 0; i < text.size(); i++) {
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int codepoint = text[i];
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int ax;
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int lsb;
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stbtt_GetCodepointHMetrics(&font.font, codepoint, &ax, &lsb);
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int c_x1, c_y1, c_x2, c_y2;
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stbtt_GetCodepointBitmapBox(&font.font, codepoint, scale, scale, &c_x1, &c_y1, &c_x2, &c_y2);
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int w = c_x2 - c_x1;
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int h = c_y2 - c_y1;
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std::vector<unsigned char> bitmap(w * h);
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stbtt_MakeCodepointBitmap(&font.font, bitmap.data(), w, h, w, scale, scale, codepoint);
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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buffer[(baseline + j + c_y1) * bufferWidth + (x + i + c_x1)] = {color.r, color.g, color.b, bitmap[j * w + i]};
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}
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}
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x += (int)(ax * scale);
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if (i + 1 < text.size()) {
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x += (int)stbtt_GetCodepointKernAdvance(&font.font, codepoint, text[i+1] * scale);
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}
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}
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}
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void RenderingElement::CopyNearestNeighbour(Pixel_BU8_GU8_RU8_AU8* dst, std::uint_fast32_t dstWidth, std::uint_fast32_t dstHeight) const {
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for (std::uint_fast32_t y = 0; y < dstHeight; y++) {
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std::uint_fast32_t srcY = y * bufferHeight / dstHeight;
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for (std::uint_fast32_t x = 0; x < dstWidth; x++) {
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std::uint_fast32_t srcX = x * bufferWidth / dstWidth;
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dst[y * dstWidth + x] = buffer[srcY * bufferWidth + srcX];
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}
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}
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}
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void RenderingElement::UpdatePosition(Window& window) {
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window.ScaleElement(transform);
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scaled.resize(transform.scaled.width * transform.scaled.height);
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CopyNearestNeighbour(scaled.data(), transform.scaled.width, transform.scaled.height);
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for(Transform* child : transform.children) {
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reinterpret_cast<RenderingElement*>(child->element)->UpdatePosition(window, transform);
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}
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}
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void RenderingElement::UpdatePosition(Window& window, Transform& parent) {
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window.ScaleElement(transform, parent);
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scaled.resize(transform.scaled.width * transform.scaled.height);
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CopyNearestNeighbour(scaled.data(), transform.scaled.width, transform.scaled.height);
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for(Transform* child : transform.children) {
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reinterpret_cast<RenderingElement*>(child->element)->UpdatePosition(window, transform);
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}
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}
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// MouseElement implementation
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MouseElement::MouseElement(std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling) : transform(this, anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling) {
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}
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MouseElement::MouseElement(Transform transform) : transform(transform) {
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}
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void MouseElement::UpdatePosition(Window& window) {
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window.ScaleMouse(transform);
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for(Transform* child : transform.children) {
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reinterpret_cast<MouseElement*>(child->element)->UpdatePosition(window, transform);
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}
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}
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void MouseElement::UpdatePosition(Window& window, Transform& parent) {
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window.ScaleMouse(transform, parent);
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for(Transform* child : transform.children) {
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reinterpret_cast<MouseElement*>(child->element)->UpdatePosition(window, transform);
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}
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}
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RenderingMouseElement::RenderingMouseElement(std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling) : rendering(anchorX, anchorY, relativeWidth, relativeHeight, anchorOffsetX, anchorOffsetY, z, ignoreScaling), mouse(FractionalToMapped(0), FractionalToMapped(0), FractionalToMapped(1), FractionalToMapped(1), FractionalToMapped(0), FractionalToMapped(0), 0, false) {
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}
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@ -204,7 +51,6 @@ RenderingMouseElement::RenderingMouseElement(Transform transform, Transform mous
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}
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void RenderingMouseElement::UpdatePosition(Window& window) {
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rendering.UpdatePosition(window);
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mouse.UpdatePosition(window, rendering.transform);
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