Merge remote repo native into ext/native/.

2026-09-08 05:33:28 +02:00 · 2015-09-06 12:24:17 -07:00
parent e0f85a9c6b 08e7fbf8ea
commit f279c2a3c2
378 changed files with 190761 additions and 0 deletions
@@ -0,0 +1,189 @@
+#include "base/display.h"
+#include "ui/ui.h"
+#include "ui/view.h"
+#include "ui/ui_context.h"
+#include "gfx_es2/draw_buffer.h"
+#include "gfx_es2/draw_text.h"
+
+UIContext::UIContext()
+	: uishader_(0), uitexture_(0), uidrawbuffer_(0), uidrawbufferTop_(0) {
+	fontScaleX_ = 1.0f;
+	fontScaleY_ = 1.0f;
+	fontStyle_ = new UI::FontStyle();
+	bounds_ = Bounds(0, 0, dp_xres, dp_yres);
+}
+
+UIContext::~UIContext() {
+	delete fontStyle_;
+	delete textDrawer_;
+}
+
+void UIContext::Init(Thin3DContext *thin3d, Thin3DShaderSet *uishader, Thin3DShaderSet *uishadernotex, Thin3DTexture *uitexture, DrawBuffer *uidrawbuffer, DrawBuffer *uidrawbufferTop) {
+	thin3d_ = thin3d;
+	blend_ = thin3d_->GetBlendStatePreset(T3DBlendStatePreset::BS_STANDARD_ALPHA);
+	depth_ = thin3d_->CreateDepthStencilState(false, false, T3DComparison::LESS);
+
+	uishader_ = uishader;
+	uishadernotex_ = uishadernotex;
+	uitexture_ = uitexture;
+	uidrawbuffer_ = uidrawbuffer;
+	uidrawbufferTop_ = uidrawbufferTop;
+#if defined(_WIN32) || defined(USING_QT_UI)
+	textDrawer_ = new TextDrawer(thin3d);
+#else
+	textDrawer_ = 0;
+#endif
+}
+
+void UIContext::Begin() {
+	thin3d_->SetBlendState(blend_);
+	thin3d_->SetDepthStencilState(depth_);
+	thin3d_->SetRenderState(T3DRenderState::CULL_MODE, T3DCullMode::NO_CULL);
+	thin3d_->SetTexture(0, uitexture_);
+	thin3d_->SetScissorEnabled(false);
+	UIBegin(uishader_);
+}
+
+void UIContext::BeginNoTex() {
+	thin3d_->SetBlendState(blend_);
+	thin3d_->SetRenderState(T3DRenderState::CULL_MODE, T3DCullMode::NO_CULL);
+
+	UIBegin(uishadernotex_);
+}
+
+void UIContext::RebindTexture() const {
+	thin3d_->SetTexture(0, uitexture_);
+}
+
+void UIContext::Flush() {
+	if (uidrawbuffer_) {
+		uidrawbuffer_->End();
+		uidrawbuffer_->Flush();
+	}
+	if (uidrawbufferTop_) {
+		uidrawbufferTop_->End();
+		uidrawbufferTop_->Flush();
+	}
+}
+
+void UIContext::End() {
+	UIEnd();
+	Flush();
+}
+
+// TODO: Support transformed bounds using stencil
+void UIContext::PushScissor(const Bounds &bounds) {
+	Flush();
+	Bounds clipped = bounds;
+	if (scissorStack_.size())
+		clipped.Clip(scissorStack_.back());
+	scissorStack_.push_back(clipped);
+	ActivateTopScissor();
+}
+
+void UIContext::PopScissor() {
+	Flush();
+	scissorStack_.pop_back();
+	ActivateTopScissor();
+}
+
+Bounds UIContext::GetScissorBounds() {
+	if (!scissorStack_.empty())
+		return scissorStack_.back();
+	else
+		return bounds_;
+}
+
+void UIContext::ActivateTopScissor() {
+	if (scissorStack_.size()) {
+		const Bounds &bounds = scissorStack_.back();
+		float scale = 1.0f / g_dpi_scale;
+		int x = scale * bounds.x;
+		int y = scale * bounds.y;
+		int w = scale * bounds.w;
+		int h = scale * bounds.h;
+		thin3d_->SetScissorRect(x, y, w, h);
+		thin3d_->SetScissorEnabled(true);
+	} else {
+		thin3d_->SetScissorEnabled(false);
+	}
+}
+
+void UIContext::SetFontScale(float scaleX, float scaleY) {
+	fontScaleX_ = scaleX;
+	fontScaleY_ = scaleY;
+}
+
+void UIContext::SetFontStyle(const UI::FontStyle &fontStyle) {
+	*fontStyle_ = fontStyle;
+	if (textDrawer_) {
+		textDrawer_->SetFontScale(fontScaleX_, fontScaleY_);
+		Text()->SetFont(fontStyle.fontName.c_str(), fontStyle.sizePts, fontStyle.flags);
+	}
+}
+
+void UIContext::MeasureText(const UI::FontStyle &style, const char *str, float *x, float *y, int align) const {
+	MeasureTextCount(style, str, (int)strlen(str), x, y, align);
+}
+
+void UIContext::MeasureTextCount(const UI::FontStyle &style, const char *str, int count, float *x, float *y, int align) const {
+	if (!textDrawer_ || (align & FLAG_DYNAMIC_ASCII)) {
+		float sizeFactor = (float)style.sizePts / 24.0f;
+		Draw()->SetFontScale(fontScaleX_ * sizeFactor, fontScaleY_ * sizeFactor);
+		Draw()->MeasureTextCount(style.atlasFont, str, count, x, y);
+	} else {
+		textDrawer_->SetFontScale(fontScaleX_, fontScaleY_);
+		std::string subset(str, count);
+		textDrawer_->MeasureString(subset.c_str(), x, y);
+	}
+}
+
+void UIContext::DrawText(const char *str, float x, float y, uint32_t color, int align) {
+	if (!textDrawer_ || (align & FLAG_DYNAMIC_ASCII)) {
+		float sizeFactor = (float)fontStyle_->sizePts / 24.0f;
+		Draw()->SetFontScale(fontScaleX_ * sizeFactor, fontScaleY_ * sizeFactor);
+		Draw()->DrawText(fontStyle_->atlasFont, str, x, y, color, align);
+	} else {
+		textDrawer_->SetFontScale(fontScaleX_, fontScaleY_);
+		textDrawer_->DrawString(*Draw(), str, x, y, color, align);
+		RebindTexture();
+	}
+}
+
+void UIContext::DrawTextShadow(const char *str, float x, float y, uint32_t color, int align) {
+	uint32_t alpha = (color >> 1) & 0xFF000000;
+	DrawText(str, x + 2, y + 2, alpha, align);
+	DrawText(str, x, y, color, align);
+}
+
+void UIContext::DrawTextRect(const char *str, const Bounds &bounds, uint32_t color, int align) {
+	if (!textDrawer_ || (align & FLAG_DYNAMIC_ASCII)) {
+		float sizeFactor = (float)fontStyle_->sizePts / 24.0f;
+		Draw()->SetFontScale(fontScaleX_ * sizeFactor, fontScaleY_ * sizeFactor);
+		Draw()->DrawTextRect(fontStyle_->atlasFont, str, bounds.x, bounds.y, bounds.w, bounds.h, color, align);
+	} else {
+		textDrawer_->SetFontScale(fontScaleX_, fontScaleY_);
+		textDrawer_->DrawStringRect(*Draw(), str, bounds, color, align);
+		RebindTexture();
+	}
+}
+
+void UIContext::FillRect(const UI::Drawable &drawable, const Bounds &bounds) {
+	// Only draw if alpha is non-zero.
+	if ((drawable.color & 0xFF000000) == 0)
+		return;
+
+	switch (drawable.type) {
+	case UI::DRAW_SOLID_COLOR:
+		uidrawbuffer_->DrawImageStretch(theme->whiteImage, bounds.x, bounds.y, bounds.x2(), bounds.y2(), drawable.color);
+		break;
+	case UI::DRAW_4GRID:
+		uidrawbuffer_->DrawImage4Grid(drawable.image, bounds.x, bounds.y, bounds.x2(), bounds.y2(), drawable.color);
+		break;
+	case UI::DRAW_STRETCH_IMAGE:
+		uidrawbuffer_->DrawImageStretch(drawable.image, bounds.x, bounds.y, bounds.x2(), bounds.y2(), drawable.color);
+		break;
+	case UI::DRAW_NOTHING:
+		break;
+	} 
+}