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add DrawBitmap to Canvas class

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This commit is contained in:
Justin Scofield
2022-08-27 22:07:29 -05:00
parent b65c7893a3
commit 56351fb36f
2 changed files with 19 additions and 4 deletions
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12
src/gui/canvas.cc
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@@ -5,6 +5,8 @@
#include <cmath> #include <cmath>
#include <string> #include <string>
#include "app/gfx/bitmap.h"
namespace yaze { namespace yaze {
namespace gui { namespace gui {
@@ -21,7 +23,7 @@ void Canvas::DrawBackground(ImVec2 canvas_size) {
draw_list_->AddRect(canvas_p0_, canvas_p1_, IM_COL32(255, 255, 255, 255)); draw_list_->AddRect(canvas_p0_, canvas_p1_, IM_COL32(255, 255, 255, 255));
} }
void Canvas::UpdateContext() { void Canvas::DrawContextMenu() {
// This will catch our interactions // This will catch our interactions
const ImGuiIO &io = ImGui::GetIO(); const ImGuiIO &io = ImGui::GetIO();
ImGui::InvisibleButton( ImGui::InvisibleButton(
@@ -68,6 +70,14 @@ void Canvas::UpdateContext() {
} }
} }
void Canvas::DrawBitmap(const Bitmap &bitmap, int border_offset) {
draw_list_->AddImage(
(void *)bitmap.GetTexture(),
ImVec2(canvas_p0_.x + border_offset, canvas_p0_.y + border_offset),
ImVec2(canvas_p0_.x + (bitmap.GetWidth() * 2),
canvas_p0_.y + (bitmap.GetHeight() * 2)));
}
void Canvas::DrawGrid(float grid_step) { void Canvas::DrawGrid(float grid_step) {
// Draw grid + all lines in the canvas // Draw grid + all lines in the canvas
draw_list_->PushClipRect(canvas_p0_, canvas_p1_, true); draw_list_->PushClipRect(canvas_p0_, canvas_p1_, true);

11
src/gui/canvas.h
View File

@@ -6,9 +6,13 @@
#include <cmath> #include <cmath>
#include <string> #include <string>
#include "app/gfx/bitmap.h"
namespace yaze { namespace yaze {
namespace gui { namespace gui {
using app::gfx::Bitmap;
class Canvas { class Canvas {
public: public:
Canvas() = default; Canvas() = default;
@@ -16,16 +20,17 @@ class Canvas {
: custom_canvas_size_(true), canvas_sz_(canvas_size) {} : custom_canvas_size_(true), canvas_sz_(canvas_size) {}
void DrawBackground(ImVec2 canvas_size = ImVec2(0, 0)); void DrawBackground(ImVec2 canvas_size = ImVec2(0, 0));
void UpdateContext(); void DrawContextMenu();
void DrawBitmap(const Bitmap& bitmap, int border_offset = 0);
void DrawGrid(float grid_step = 64.0f); void DrawGrid(float grid_step = 64.0f);
void DrawOverlay(); // last void DrawOverlay(); // last
auto GetDrawList() const { return draw_list_; }
auto GetZeroPoint() const { return canvas_p0_; }
void SetCanvasSize(ImVec2 canvas_size) { void SetCanvasSize(ImVec2 canvas_size) {
canvas_sz_ = canvas_size; canvas_sz_ = canvas_size;
custom_canvas_size_ = true; custom_canvas_size_ = true;
} }
auto GetDrawList() const { return draw_list_; }
auto GetZeroPoint() const { return canvas_p0_; }
private: private:
bool enable_grid_ = true; bool enable_grid_ = true;