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#51 Add background to ternary legend

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This commit is contained in:
Jacob Støren 2018-03-08 16:14:13 +01:00
parent 7a9e53bdb1
commit b4935a0534
2 changed files with 95 additions and 29 deletions
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96
ApplicationCode/ModelVisualization/RivTernarySaturationOverlayItem.cpp
View File

@ -33,6 +33,7 @@
#include "cvfRenderState_FF.h"
#include "cvfRenderStateDepth.h"
#include "cvfRenderStatePolygonOffset.h"
#include "cafInternalLegendRenderTools.h"
@ -40,13 +41,15 @@
///
//--------------------------------------------------------------------------------------------------
RivTernarySaturationOverlayItem::RivTernarySaturationOverlayItem(cvf::Font* font)
: m_textColor(cvf::Color3::BLACK),
m_font(font),
m_size(100, 140)
: m_textColor(cvf::Color3::BLACK)
, m_font(font)
, m_size(120, 150)
, m_backgroundColor(1.0f, 1.0f, 1.0f, 0.8f)
, m_backgroundFrameColor(0.0f, 0.0f, 0.0f, 0.5f)
, m_isBackgroundEnabled(true)
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
@ -89,7 +92,7 @@ void RivTernarySaturationOverlayItem::setSize(const cvf::Vec2ui& size)
//--------------------------------------------------------------------------------------------------
void RivTernarySaturationOverlayItem::render(cvf::OpenGLContext* oglContext, const cvf::Vec2i& position, const cvf::Vec2ui& size)
{
render(oglContext, position, size, false);
renderGeneric(oglContext, position, size, false);
}
@ -98,20 +101,25 @@ void RivTernarySaturationOverlayItem::render(cvf::OpenGLContext* oglContext, con
//--------------------------------------------------------------------------------------------------
void RivTernarySaturationOverlayItem::renderSoftware(cvf::OpenGLContext* oglContext, const cvf::Vec2i& position, const cvf::Vec2ui& size)
{
render(oglContext, position, size, true);
renderGeneric(oglContext, position, size, true);
}
//--------------------------------------------------------------------------------------------------
/// Set up camera/viewport and render
//--------------------------------------------------------------------------------------------------
void RivTernarySaturationOverlayItem::render(cvf::OpenGLContext* oglContext, const cvf::Vec2i& position, const cvf::Vec2ui& size, bool software)
void RivTernarySaturationOverlayItem::renderGeneric(cvf::OpenGLContext* oglContext,
const cvf::Vec2i& position,
const cvf::Vec2ui& size,
bool software)
{
if (size.x() <= 0 || size.y() <= 0)
{
return;
}
float border = 0.0f;
cvf::Camera camera;
camera.setViewport(position.x(), position.y(), size.x(), size.y());
camera.setProjectionAsPixelExact2D();
@ -119,24 +127,46 @@ void RivTernarySaturationOverlayItem::render(cvf::OpenGLContext* oglContext, con
camera.applyOpenGL();
camera.viewport()->applyOpenGL(oglContext, cvf::Viewport::CLEAR_DEPTH);
if ( m_isBackgroundEnabled )
{
if ( software )
{
caf::InternalLegendRenderTools::renderBackgroundImmediateMode(oglContext,
cvf::Vec2f(size),
m_backgroundColor,
m_backgroundFrameColor);
}
else
{
const cvf::MatrixState matrixState(camera);
caf::InternalLegendRenderTools::renderBackgroundUsingShaders(oglContext,
matrixState,
cvf::Vec2f(size),
m_backgroundColor,
m_backgroundFrameColor);
}
border = 3.0f;
}
cvf::TextDrawer textDrawer(m_font.p());
textDrawer.setTextColor(m_textColor);
float lineHeightInPixels = 10;
float lineHeightInPixels = (float)(m_font->textExtent("SWAT").y() + 2);
float textPosY = static_cast<float>(size.y() - 10);
float textPosY = static_cast<float>(size.y() - lineHeightInPixels);
for (size_t it = 0; it < m_titleStrings.size(); it++)
{
cvf::Vec2f pos(5, textPosY);
cvf::Vec2f pos(border, textPosY);
textDrawer.addText(m_titleStrings[it], pos);
textPosY -= lineHeightInPixels;
}
cvf::Vec2f pos(5, textPosY);
cvf::Vec2f pos(border, textPosY);
textDrawer.addText("TERNARY", pos);
textPosY -= lineHeightInPixels;
textPosY -= 2;
textPosY -= border;
{
cvf::uint sgasTextWidth = m_font->textExtent("SGAS").x();
@ -147,23 +177,23 @@ void RivTernarySaturationOverlayItem::render(cvf::OpenGLContext* oglContext, con
textDrawer.addText(m_sgasRange, cvf::Vec2f(static_cast<float>( (size.x() / 2) - sgasRangeTextWidth / 2 ), textPosY));
}
textDrawer.addText("SWAT", cvf::Vec2f(0.0, 10.0));
textDrawer.addText(m_swatRange, cvf::Vec2f(0.0, 0.0));
textDrawer.addText("SWAT", cvf::Vec2f((float)border, (float)(lineHeightInPixels + border)));
textDrawer.addText(m_swatRange, cvf::Vec2f((float)border, (float)border));
{
cvf::uint soilTextWidth = m_font->textExtent("SOIL").x();
textDrawer.addText("SOIL", cvf::Vec2f(static_cast<float>(size.x() - soilTextWidth), 10.0));
textDrawer.addText("SOIL", cvf::Vec2f(static_cast<float>(size.x() - soilTextWidth - border), lineHeightInPixels + border));
cvf::uint soilRangeTextWidth = m_font->textExtent(m_soilRange).x();
float soilRangePos = static_cast<float>(size.x()) - soilRangeTextWidth;
float soilRangePos = static_cast<float>(size.x()) - soilRangeTextWidth - border;
textDrawer.addText(m_soilRange, cvf::Vec2f(soilRangePos, 0.0));
textDrawer.addText(m_soilRange, cvf::Vec2f(soilRangePos, (float)border));
}
textDrawer.renderSoftware(oglContext, camera);
textPosY -= 3;
renderAxisImmediateMode(textPosY, oglContext);
renderAxisImmediateMode(textPosY, 2*lineHeightInPixels + border, border, oglContext);
CVF_CHECK_OGL(oglContext);
}
@ -173,7 +203,7 @@ void RivTernarySaturationOverlayItem::render(cvf::OpenGLContext* oglContext, con
//--------------------------------------------------------------------------------------------------
/// Draw the axis using immediate mode OpenGL
//--------------------------------------------------------------------------------------------------
void RivTernarySaturationOverlayItem::renderAxisImmediateMode(float upperBoundY, cvf::OpenGLContext* oglContext)
void RivTernarySaturationOverlayItem::renderAxisImmediateMode(float upperBoundY, float lowerBoundY, float border, cvf::OpenGLContext* oglContext)
{
#ifdef CVF_OPENGL_ES
CVF_UNUSED(layout);
@ -190,11 +220,10 @@ void RivTernarySaturationOverlayItem::renderAxisImmediateMode(float upperBoundY,
cvf::Color3ub colB(cvf::Color3::GREEN);
cvf::Color3ub colC(cvf::Color3::RED);
float lowerBoundY = 20;
//float upperBoundY = static_cast<float>(m_size.y() - 20);
cvf::Vec3f a(0, lowerBoundY, 0);
cvf::Vec3f b(static_cast<float>(m_size.x()), lowerBoundY, 0);
cvf::Vec3f a(float(border), lowerBoundY, 0);
cvf::Vec3f b(static_cast<float>(m_size.x() - border), lowerBoundY, 0);
cvf::Vec3f c(static_cast<float>(m_size.x() / 2), upperBoundY, 0);
@ -260,4 +289,27 @@ void RivTernarySaturationOverlayItem::setTitle(const cvf::String& title)
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RivTernarySaturationOverlayItem::enableBackground(bool enable)
{
m_isBackgroundEnabled = enable;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RivTernarySaturationOverlayItem::setBackgroundColor(const cvf::Color4f& backgroundColor)
{
m_backgroundColor = backgroundColor;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RivTernarySaturationOverlayItem::setBackgroundFrameColor(const cvf::Color4f& backgroundFrameColor)
{
m_backgroundFrameColor = backgroundFrameColor;
}

28
ApplicationCode/ModelVisualization/RivTernarySaturationOverlayItem.h
View File

@ -22,6 +22,7 @@
#include "cvfOverlayItem.h"
#include "cvfMatrix4.h"
#include "cvfColor3.h"
#include "cvfColor4.h"
#include "cvfString.h"
namespace cvf {
@ -43,24 +44,37 @@ public:
void setRangeText(const cvf::String& soilRange, const cvf::String& sgasRange, const cvf::String& swatRange);
virtual cvf::Vec2ui sizeHint();
virtual void render(cvf::OpenGLContext* oglContext, const cvf::Vec2i& position, const cvf::Vec2ui& size);
virtual void renderSoftware(cvf::OpenGLContext* oglContext, const cvf::Vec2i& position, const cvf::Vec2ui& size);
void setSize(const cvf::Vec2ui& size);
void setAxisLabelsColor(const cvf::Color3f& color);
void setTitle(const cvf::String& title);
void enableBackground(bool enable);
void setBackgroundColor(const cvf::Color4f& backgroundColor);
void setBackgroundFrameColor(const cvf::Color4f& backgroundFrameColor);
private:
void render(cvf::OpenGLContext* oglContext, const cvf::Vec2i& position, const cvf::Vec2ui& size, bool software);
void renderAxisImmediateMode(float upperY, cvf::OpenGLContext* oglContext);
cvf::Vec2ui sizeHint() override;
void render(cvf::OpenGLContext* oglContext,
const cvf::Vec2i& position,
const cvf::Vec2ui& size) override;
void renderSoftware(cvf::OpenGLContext* oglContext,
const cvf::Vec2i& position,
const cvf::Vec2ui& size) override;
void renderGeneric(cvf::OpenGLContext* oglContext,
const cvf::Vec2i& position,
const cvf::Vec2ui& size,
bool software);
void renderAxisImmediateMode(float upperY, float lowerBoundY, float border, cvf::OpenGLContext* oglContext);
private:
cvf::Color3f m_textColor; // Text color
cvf::ref<cvf::Font> m_font;
bool m_isBackgroundEnabled;
cvf::Color4f m_backgroundColor;
cvf::Color4f m_backgroundFrameColor;
cvf::String m_soilRange;
cvf::String m_sgasRange;
cvf::String m_swatRange;