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pcbjam/tests/gal-regression/scenarios/scenario_text_attrs.cpp

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feat(gal-test): Add 100% GAL API test coverage (28 scenarios) Expand GAL native test harness from 24 to 28 scenarios covering all 70 GAL methods. New scenarios: - scenario_text_attrs.cpp (24): Text attribute APIs (SetGlyphSize, SetFontBold/Italic/Underlined, SetTextMirrored, justification) - scenario_glyphs.cpp (25): DrawGlyph/DrawGlyphs with stroke glyphs - scenario_bitmap.cpp (26): DrawBitmap with test patterns - scenario_transform.cpp (27): Transform() API documentation Additional API coverage in existing scenarios: - Flush() in test harness - SetFlip(), SetRotation() in screen-transform - SetDepthRange() in depth-testing - GetGridPoint() in grid-native New stub files: - kifont_stub.h: STROKE_GLYPH factory functions for letter glyphs - bitmap_base_stub.h: Test pattern generators (checkerboard, gradient) Note: Bitmap scenario shows empty panels - DrawBitmap uses legacy OpenGL immediate mode (glBegin/glEnd) which doesn't work while shader is active. This is a known limitation when testing outside KiCad's VIEW rendering flow. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-07 12:27:06 +01:00
/**
* Text Attributes Scenario
*
* Tests GAL text attribute methods:
* - SetGlyphSize() / GetGlyphSize()
* - SetFontBold() / IsFontBold()
* - SetFontItalic() / IsFontItalic()
* - SetFontUnderlined() / IsFontUnderlined()
* - SetTextMirrored() / IsTextMirrored()
* - SetHorizontalJustify() / GetHorizontalJustify()
* - SetVerticalJustify() / GetVerticalJustify()
* - ResetTextAttributes()
*
* Note: These methods set internal m_attributes member variables.
* Actual text rendering requires KIFONT infrastructure which we don't stub.
* This scenario tests the APIs are callable and demonstrates their purpose
* by drawing visual indicators of what the attributes would affect.
*/
#include <gal/graphics_abstraction_layer.h>
#include <cmath>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
namespace GALTest {
using KIGFX::COLOR4D;
using KIGFX::GAL;
void RenderTextAttrs(GAL* gal, int width, int height) {
gal->SetLayerDepth(100);
gal->SetIsFill(true);
gal->SetIsStroke(false);
// Background
gal->SetFillColor(COLOR4D(0.12, 0.12, 0.15, 1.0));
gal->DrawRectangle(VECTOR2D(0, 0), VECTOR2D(width, height));
//=========================================================================
// Section 1: SetGlyphSize() / GetGlyphSize()
//=========================================================================
gal->SetLayerDepth(50);
// Test SetGlyphSize with different sizes
VECTOR2D smallSize(10, 12);
VECTOR2D mediumSize(20, 24);
VECTOR2D largeSize(40, 48);
gal->SetGlyphSize(smallSize);
VECTOR2D currentSize = gal->GetGlyphSize();
// currentSize should now be (10, 12)
gal->SetGlyphSize(mediumSize);
gal->SetGlyphSize(largeSize);
// Visual: Draw rectangles showing glyph sizes
double baseX = 50, baseY = 60;
gal->SetFillColor(COLOR4D(0.3, 0.6, 0.8, 0.8));
gal->DrawRectangle(VECTOR2D(baseX, baseY),
VECTOR2D(baseX + smallSize.x, baseY + smallSize.y));
gal->SetFillColor(COLOR4D(0.4, 0.7, 0.8, 0.8));
gal->DrawRectangle(VECTOR2D(baseX + 30, baseY),
VECTOR2D(baseX + 30 + mediumSize.x, baseY + mediumSize.y));
gal->SetFillColor(COLOR4D(0.5, 0.8, 0.8, 0.8));
gal->DrawRectangle(VECTOR2D(baseX + 80, baseY),
VECTOR2D(baseX + 80 + largeSize.x, baseY + largeSize.y));
// Section frame
gal->SetIsFill(false);
gal->SetIsStroke(true);
gal->SetLineWidth(2.0);
gal->SetStrokeColor(COLOR4D(0.4, 0.6, 0.7, 0.8));
gal->DrawRectangle(VECTOR2D(20, 20), VECTOR2D(200, 130));
//=========================================================================
// Section 2: SetFontBold() / SetFontItalic() / SetFontUnderlined()
//=========================================================================
gal->SetLayerDepth(50);
gal->SetIsFill(true);
gal->SetIsStroke(false);
// Test font style APIs
gal->SetFontBold(false);
bool isBold = gal->IsFontBold(); // Should be false
gal->SetFontItalic(false);
bool isItalic = gal->IsFontItalic(); // Should be false
gal->SetFontUnderlined(false);
bool isUnderlined = gal->IsFontUnderlined(); // Should be false
// Set all to true
gal->SetFontBold(true);
gal->SetFontItalic(true);
gal->SetFontUnderlined(true);
// Visual: Draw styled "text" indicators
// Normal (N)
gal->SetFillColor(COLOR4D(0.7, 0.7, 0.7, 1.0));
gal->DrawRectangle(VECTOR2D(240, 40), VECTOR2D(280, 80));
// Bold (B) - thicker
gal->SetFillColor(COLOR4D(0.9, 0.9, 0.9, 1.0));
gal->DrawRectangle(VECTOR2D(300, 40), VECTOR2D(350, 80));
// Italic (I) - slanted parallelogram
std::deque<VECTOR2D> italic = {
VECTOR2D(380, 80),
VECTOR2D(370, 40),
VECTOR2D(410, 40),
VECTOR2D(420, 80)
};
gal->DrawPolygon(italic);
// Underlined (U)
gal->SetFillColor(COLOR4D(0.7, 0.7, 0.9, 1.0));
gal->DrawRectangle(VECTOR2D(440, 40), VECTOR2D(480, 80));
gal->DrawRectangle(VECTOR2D(440, 85), VECTOR2D(480, 90)); // Underline
// Section frame
gal->SetIsFill(false);
gal->SetIsStroke(true);
gal->SetStrokeColor(COLOR4D(0.6, 0.6, 0.5, 0.8));
gal->DrawRectangle(VECTOR2D(220, 20), VECTOR2D(500, 110));
//=========================================================================
// Section 3: SetTextMirrored()
//=========================================================================
gal->SetLayerDepth(50);
gal->SetIsFill(true);
gal->SetIsStroke(false);
// Test mirroring API
gal->SetTextMirrored(false);
bool isMirrored = gal->IsTextMirrored(); // Should be false
gal->SetTextMirrored(true);
isMirrored = gal->IsTextMirrored(); // Should be true
// Visual: Show normal vs mirrored "F" shape
// Normal F
gal->SetFillColor(COLOR4D(0.7, 0.5, 0.8, 1.0));
gal->DrawRectangle(VECTOR2D(560, 40), VECTOR2D(570, 100)); // Vertical
gal->DrawRectangle(VECTOR2D(570, 40), VECTOR2D(600, 50)); // Top horizontal
gal->DrawRectangle(VECTOR2D(570, 60), VECTOR2D(590, 70)); // Middle horizontal
// Mirrored F
gal->SetFillColor(COLOR4D(0.8, 0.5, 0.7, 1.0));
gal->DrawRectangle(VECTOR2D(680, 40), VECTOR2D(690, 100)); // Vertical
gal->DrawRectangle(VECTOR2D(650, 40), VECTOR2D(680, 50)); // Top horizontal (mirrored)
gal->DrawRectangle(VECTOR2D(660, 60), VECTOR2D(680, 70)); // Middle horizontal (mirrored)
// Section frame
gal->SetIsFill(false);
gal->SetIsStroke(true);
gal->SetStrokeColor(COLOR4D(0.6, 0.5, 0.6, 0.8));
gal->DrawRectangle(VECTOR2D(540, 20), VECTOR2D(720, 120));
//=========================================================================
// Section 4: SetHorizontalJustify() / SetVerticalJustify()
//=========================================================================
gal->SetLayerDepth(50);
gal->SetIsFill(true);
gal->SetIsStroke(false);
// Test justify APIs
gal->SetHorizontalJustify(GR_TEXT_H_ALIGN_LEFT);
gal->SetVerticalJustify(GR_TEXT_V_ALIGN_TOP);
gal->SetHorizontalJustify(GR_TEXT_H_ALIGN_CENTER);
gal->SetVerticalJustify(GR_TEXT_V_ALIGN_CENTER);
gal->SetHorizontalJustify(GR_TEXT_H_ALIGN_RIGHT);
gal->SetVerticalJustify(GR_TEXT_V_ALIGN_BOTTOM);
// Visual: Show alignment positions
double alignBaseX = 120;
double alignBaseY = 200;
double boxSize = 100;
// Alignment box
gal->SetFillColor(COLOR4D(0.2, 0.2, 0.25, 1.0));
gal->DrawRectangle(VECTOR2D(alignBaseX, alignBaseY),
VECTOR2D(alignBaseX + boxSize, alignBaseY + boxSize));
// Alignment indicators
gal->SetFillColor(COLOR4D(0.9, 0.6, 0.3, 1.0));
// Top-left
gal->DrawCircle(VECTOR2D(alignBaseX + 10, alignBaseY + 10), 6);
// Top-center
gal->DrawCircle(VECTOR2D(alignBaseX + boxSize/2, alignBaseY + 10), 6);
// Top-right
gal->DrawCircle(VECTOR2D(alignBaseX + boxSize - 10, alignBaseY + 10), 6);
// Center-left
gal->DrawCircle(VECTOR2D(alignBaseX + 10, alignBaseY + boxSize/2), 6);
// Center-center
gal->SetFillColor(COLOR4D(1.0, 0.8, 0.3, 1.0));
gal->DrawCircle(VECTOR2D(alignBaseX + boxSize/2, alignBaseY + boxSize/2), 8);
gal->SetFillColor(COLOR4D(0.9, 0.6, 0.3, 1.0));
// Center-right
gal->DrawCircle(VECTOR2D(alignBaseX + boxSize - 10, alignBaseY + boxSize/2), 6);
// Bottom-left
gal->DrawCircle(VECTOR2D(alignBaseX + 10, alignBaseY + boxSize - 10), 6);
// Bottom-center
gal->DrawCircle(VECTOR2D(alignBaseX + boxSize/2, alignBaseY + boxSize - 10), 6);
// Bottom-right
gal->DrawCircle(VECTOR2D(alignBaseX + boxSize - 10, alignBaseY + boxSize - 10), 6);
// Section frame
gal->SetIsFill(false);
gal->SetIsStroke(true);
gal->SetStrokeColor(COLOR4D(0.7, 0.5, 0.3, 0.8));
gal->DrawRectangle(VECTOR2D(alignBaseX - 20, alignBaseY - 30),
VECTOR2D(alignBaseX + boxSize + 20, alignBaseY + boxSize + 20));
//=========================================================================
// Section 5: ResetTextAttributes()
//=========================================================================
gal->SetLayerDepth(50);
// Set various attributes
gal->SetGlyphSize(VECTOR2D(50, 60));
gal->SetFontBold(true);
gal->SetFontItalic(true);
gal->SetTextMirrored(true);
gal->SetHorizontalJustify(GR_TEXT_H_ALIGN_RIGHT);
// Reset all attributes to defaults
gal->ResetTextAttributes();
// After reset, attributes should be back to defaults
VECTOR2D resetSize = gal->GetGlyphSize(); // Should be default
bool resetBold = gal->IsFontBold(); // Should be false
bool resetItalic = gal->IsFontItalic(); // Should be false
// Visual: Show "reset" indicator
gal->SetIsFill(true);
gal->SetFillColor(COLOR4D(0.3, 0.7, 0.3, 0.8));
gal->DrawCircle(VECTOR2D(350, 250), 30);
// Checkmark inside circle
gal->SetIsFill(false);
gal->SetIsStroke(true);
gal->SetLineWidth(4.0);
gal->SetStrokeColor(COLOR4D(1.0, 1.0, 1.0, 1.0));
std::vector<VECTOR2D> check = {
VECTOR2D(335, 250),
VECTOR2D(345, 262),
VECTOR2D(368, 235)
};
gal->DrawPolyline(check);
// Section frame
gal->SetLineWidth(2.0);
gal->SetStrokeColor(COLOR4D(0.3, 0.6, 0.3, 0.8));
gal->DrawRectangle(VECTOR2D(280, 180), VECTOR2D(420, 310));
//=========================================================================
// Section 6: Comprehensive API coverage visual
//=========================================================================
gal->SetLayerDepth(40);
gal->SetIsFill(true);
gal->SetIsStroke(false);
// Background panel
gal->SetFillColor(COLOR4D(0.15, 0.15, 0.2, 1.0));
gal->DrawRectangle(VECTOR2D(20, 340), VECTOR2D(760, 560));
// Show all text attribute concepts visually
double rowY = 380;
double colSpacing = 150;
// Column 1: Size variations
gal->SetFillColor(COLOR4D(0.5, 0.7, 0.9, 0.9));
double sizes[] = {8, 16, 24, 32};
for (int i = 0; i < 4; i++) {
double s = sizes[i];
gal->DrawRectangle(VECTOR2D(40, rowY + i * 40),
VECTOR2D(40 + s * 2, rowY + i * 40 + s));
}
// Column 2: Style variations (bold = filled, italic = slant, underline = line below)
double col2X = 40 + colSpacing;
// Regular
gal->SetFillColor(COLOR4D(0.6, 0.6, 0.6, 0.9));
gal->DrawRectangle(VECTOR2D(col2X, rowY), VECTOR2D(col2X + 40, rowY + 30));
// Bold (wider/heavier)
gal->SetFillColor(COLOR4D(0.9, 0.9, 0.9, 1.0));
gal->DrawRectangle(VECTOR2D(col2X, rowY + 45), VECTOR2D(col2X + 50, rowY + 80));
// Italic (parallelogram)
std::deque<VECTOR2D> italicShape = {
VECTOR2D(col2X + 10, rowY + 125),
VECTOR2D(col2X, rowY + 90),
VECTOR2D(col2X + 40, rowY + 90),
VECTOR2D(col2X + 50, rowY + 125)
};
gal->SetFillColor(COLOR4D(0.7, 0.7, 0.9, 0.9));
gal->DrawPolygon(italicShape);
// Underlined
gal->SetFillColor(COLOR4D(0.7, 0.9, 0.7, 0.9));
gal->DrawRectangle(VECTOR2D(col2X, rowY + 140), VECTOR2D(col2X + 40, rowY + 165));
gal->DrawRectangle(VECTOR2D(col2X, rowY + 170), VECTOR2D(col2X + 40, rowY + 175));
// Column 3: Mirror demonstration
double col3X = 40 + colSpacing * 2;
// Normal "R"
gal->SetFillColor(COLOR4D(0.8, 0.6, 0.9, 0.9));
gal->DrawRectangle(VECTOR2D(col3X, rowY), VECTOR2D(col3X + 10, rowY + 50));
gal->DrawRectangle(VECTOR2D(col3X + 10, rowY), VECTOR2D(col3X + 35, rowY + 10));
gal->DrawRectangle(VECTOR2D(col3X + 10, rowY + 20), VECTOR2D(col3X + 30, rowY + 30));
gal->DrawRectangle(VECTOR2D(col3X + 25, rowY + 25), VECTOR2D(col3X + 40, rowY + 50));
// Mirrored "R"
gal->SetFillColor(COLOR4D(0.9, 0.6, 0.8, 0.9));
double mirrorX = col3X + 80;
gal->DrawRectangle(VECTOR2D(mirrorX + 30, rowY + 80), VECTOR2D(mirrorX + 40, rowY + 130));
gal->DrawRectangle(VECTOR2D(mirrorX + 5, rowY + 80), VECTOR2D(mirrorX + 30, rowY + 90));
gal->DrawRectangle(VECTOR2D(mirrorX + 10, rowY + 100), VECTOR2D(mirrorX + 30, rowY + 110));
gal->DrawRectangle(VECTOR2D(mirrorX, rowY + 105), VECTOR2D(mirrorX + 15, rowY + 130));
// Column 4: Justify grid
double col4X = 40 + colSpacing * 3;
double gridSize = 80;
gal->SetFillColor(COLOR4D(0.25, 0.25, 0.3, 1.0));
gal->DrawRectangle(VECTOR2D(col4X, rowY), VECTOR2D(col4X + gridSize, rowY + gridSize));
// 3x3 justify positions
gal->SetFillColor(COLOR4D(0.9, 0.7, 0.4, 1.0));
for (int row = 0; row < 3; row++) {
for (int col = 0; col < 3; col++) {
double px = col4X + 10 + col * 30;
double py = rowY + 10 + row * 30;
double radius = (row == 1 && col == 1) ? 8 : 5;
gal->DrawCircle(VECTOR2D(px, py), radius);
}
}
// Column 5: Rotation demonstration
double col5X = 40 + colSpacing * 4;
for (int i = 0; i < 4; i++) {
double angle = i * M_PI / 6; // 0, 30, 60, 90 degrees
double cx = col5X + 40;
double cy = rowY + 40 + i * 45;
gal->Save();
gal->Translate(VECTOR2D(cx, cy));
gal->Rotate(angle);
gal->SetFillColor(COLOR4D(0.6 + i * 0.1, 0.8 - i * 0.1, 0.5, 0.9));
gal->DrawRectangle(VECTOR2D(-15, -8), VECTOR2D(15, 8));
gal->Restore();
}
// Section frame
gal->SetIsFill(false);
gal->SetIsStroke(true);
gal->SetLineWidth(2.0);
gal->SetStrokeColor(COLOR4D(0.5, 0.5, 0.6, 0.8));
gal->DrawRectangle(VECTOR2D(20, 340), VECTOR2D(760, 560));
}
} // namespace GALTest
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