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Convenience font rendering function for black text

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This commit is contained in:
Kevin Trogant 2022-10-24 15:15:39 +02:00
parent 5d555fd5a0
commit 69d35b5d15
4 changed files with 61 additions and 12 deletions
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17
.idea/deploymentTargetDropDown.xml Normal file
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@ -0,0 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="deploymentTargetDropDown">
<runningDeviceTargetSelectedWithDropDown>
<Target>
<type value="RUNNING_DEVICE_TARGET" />
<deviceKey>
<Key>
<type value="SERIAL_NUMBER" />
<value value="R52N60RNQLZ" />
</Key>
</deviceKey>
</Target>
</runningDeviceTargetSelectedWithDropDown>
<timeTargetWasSelectedWithDropDown value="2022-10-24T10:55:25.742010800Z" />
</component>
</project>

4
app/src/main/cpp/NativeEngine.cpp
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@ -196,8 +196,6 @@ void NativeEngine::gameLoop()
float x = 50;
float y = 50;
float start_x = x;
float start_y = y;
y += m_font.baseline_adjust;
const char* text = "Hallo Welt";
for (const char* c = text; *c != '\0'; ++c) {
@ -211,12 +209,10 @@ void NativeEngine::gameLoop()
Renderer::ptr->addFontRect(
x, y,
w, h,
1.f, 1.f, 1.f, 1.f,
24.f,
StringRepository::global->internString("Milky Honey.ttf"),
quad.s0, quad.t0,
quad.s1, quad.t1);
ALOGI("%f %f %f %f", quad.x0, quad.y0, quad.x1, quad.y1);
}
}
// ENDE VOM BEISPIELCODE

14
app/src/main/cpp/Renderer.cpp
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@ -223,6 +223,20 @@ void Renderer::addRect(float x,
m_draw_textures.push_back(texture);
}
void Renderer::addFontRect(float x,
float y,
float w,
float h,
float char_height,
StringHandle font,
float src_x0,
float src_y0,
float src_x1,
float src_y1)
{
addFontRect(x, y, w, h, 0.f, 0.f, 0.f, 1.f, char_height, font, src_x0, src_y0, src_x1, src_y1);
}
void Renderer::addFontRect(float x,
float y,
float w,

38
app/src/main/cpp/Renderer.h
View File

@ -114,6 +114,28 @@ public:
float src_w,
float src_h);
/// @brief Adds a font rectangle to the screen with black text
/// \param x X-coordinate of the top-left corner
/// \param y Y-coordinate of the top-left corner
/// \param w width in pixels
/// \param h height in pixels
/// \param char_height Height of characters in pixels
/// \param font String handle in the global string repository of the ttf file name
/// \param src_x0 bottom left corner of the source rectangle inside the texture [0, 1]
/// \param src_y0 bottom left corner of the source rectangle inside the texture [0, 1]
/// \param src_x1 top right of the source rectangle inside the texture [0, 1]
/// \param src_y1 top right of the source rectangle inside the texture [0, 1]
void addFontRect(float x,
float y,
float w,
float h,
float char_height,
StringHandle font,
float src_x0,
float src_y0,
float src_x1,
float src_y1);
/// @brief Adds a tinted font rectangle to the screen
/// \param x X-coordinate of the top-left corner
/// \param y Y-coordinate of the top-left corner
@ -125,10 +147,10 @@ public:
/// \param a alpha [0,1]
/// \param char_height Height of characters in pixels
/// \param font String handle in the global string repository of the ttf file name
/// \param src_x top left corner of the source rectangle inside the texture [0, 1]
/// \param src_y top left corner of the source rectangle inside the texture [0, 1]
/// \param src_w width of the source rectangle inside the texture [0, 1]
/// \param src_h height of the source rectangle inside the texture [0, 1]
/// \param src_x0 bottom left corner of the source rectangle inside the texture [0, 1]
/// \param src_y0 bottom left corner of the source rectangle inside the texture [0, 1]
/// \param src_x1 top right of the source rectangle inside the texture [0, 1]
/// \param src_y1 top right of the source rectangle inside the texture [0, 1]
void addFontRect(float x,
float y,
float w,
@ -139,10 +161,10 @@ public:
float a,
float char_height,
StringHandle font,
float src_x,
float src_y,
float src_w,
float src_h);
float src_x0,
float src_y0,
float src_x1,
float src_y1);
/// @brief Renders the frame
///