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https://github.com/hrydgard/ppsspp.git
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98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
#include "base/display.h"
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#include "thin3d/thin3d.h"
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#include "util/hash/hash.h"
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#include "util/text/wrap_text.h"
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#include "util/text/utf8.h"
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#include "gfx_es2/draw_text.h"
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#include "gfx_es2/draw_text_win.h"
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#include "gfx_es2/draw_text_uwp.h"
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#include "gfx_es2/draw_text_qt.h"
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#include "gfx_es2/draw_text_android.h"
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TextDrawer::TextDrawer(Draw::DrawContext *draw) : draw_(draw) {
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// These probably shouldn't be state.
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dpiScale_ = CalculateDPIScale();
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}
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TextDrawer::~TextDrawer() {
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}
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float TextDrawerWordWrapper::MeasureWidth(const char *str, size_t bytes) {
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float w, h;
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drawer_->MeasureString(str, bytes, &w, &h);
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return w;
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}
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void TextDrawer::WrapString(std::string &out, const char *str, float maxW, int flags) {
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TextDrawerWordWrapper wrapper(this, str, maxW, flags);
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out = wrapper.Wrapped();
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}
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void TextDrawer::SetFontScale(float xscale, float yscale) {
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fontScaleX_ = xscale;
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fontScaleY_ = yscale;
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}
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float TextDrawer::CalculateDPIScale() {
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if (ignoreGlobalDpi_)
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return dpiScale_;
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float scale = g_dpi_scale_y;
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if (scale >= 1.0f) {
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scale = 1.0f;
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}
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return scale;
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}
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void TextDrawer::DrawStringRect(DrawBuffer &target, const char *str, const Bounds &bounds, uint32_t color, int align) {
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float x = bounds.x;
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float y = bounds.y;
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if (align & ALIGN_HCENTER) {
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x = bounds.centerX();
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} else if (align & ALIGN_RIGHT) {
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x = bounds.x2();
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}
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if (align & ALIGN_VCENTER) {
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y = bounds.centerY();
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} else if (align & ALIGN_BOTTOM) {
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y = bounds.y2();
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}
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std::string toDraw = str;
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int wrap = align & (FLAG_WRAP_TEXT | FLAG_ELLIPSIZE_TEXT);
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if (wrap) {
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bool rotated = (align & (ROTATE_90DEG_LEFT | ROTATE_90DEG_RIGHT)) != 0;
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WrapString(toDraw, str, rotated ? bounds.h : bounds.w, wrap);
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}
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DrawString(target, toDraw.c_str(), x, y, color, align);
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}
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void TextDrawer::DrawStringBitmapRect(std::vector<uint8_t> &bitmapData, TextStringEntry &entry, Draw::DataFormat texFormat, const char *str, const Bounds &bounds, int align) {
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std::string toDraw = str;
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int wrap = align & (FLAG_WRAP_TEXT | FLAG_ELLIPSIZE_TEXT);
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if (wrap) {
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bool rotated = (align & (ROTATE_90DEG_LEFT | ROTATE_90DEG_RIGHT)) != 0;
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WrapString(toDraw, str, rotated ? bounds.h : bounds.w, wrap);
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}
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DrawStringBitmap(bitmapData, entry, texFormat, toDraw.c_str(), align);
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}
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TextDrawer *TextDrawer::Create(Draw::DrawContext *draw) {
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TextDrawer *drawer = nullptr;
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#if defined(__LIBRETRO__)
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// No text drawer
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#elif defined(_WIN32) && !PPSSPP_PLATFORM(UWP)
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drawer = new TextDrawerWin32(draw);
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#elif PPSSPP_PLATFORM(UWP)
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drawer = new TextDrawerUWP(draw);
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#elif defined(USING_QT_UI)
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drawer = new TextDrawerQt(draw);
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#elif PPSSPP_PLATFORM(ANDROID)
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drawer = new TextDrawerAndroid(draw);
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#endif
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if (drawer && !drawer->IsReady()) {
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delete drawer;
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drawer = nullptr;
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}
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return drawer;
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}
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